New Scientist - Health

New Scientist - Health

06/22/2018 01:54 PM
Cannabis oil: what is it and does it really work as medicine?
The UK government is reviewing medicinal cannabis after two boys with severe epilepsy were withheld cannabis oil treatments. Here's everything you need to know

06/22/2018 12:45 PM
Herpes viruses in the brain linked to Alzheimer’s disease
A detailed molecular analysis of hundreds of post-mortem brains supports the controversial theory that viruses contribute to Alzheimer’s disease

06/22/2018 12:29 PM
Why is the UK running out of CO2 and what will it mean?
UK beer, fizzy drinks and meat producers have all warned of CO2 shortages disrupting supplies and have called on the government to act. So what's going on, and how bad is it?

06/22/2018 10:48 AM
First evidence that gut bacteria help wire young brains
Experiments in mice have shown for the first time that bacteria found in the gut of babies and children seem to play a role in brain development

06/21/2018 07:00 PM
Many psychiatric conditions have the same genes in common
Several conditions including anxiety, depression and anorexia all share a common set of genes, which could lead to better diagnoses

06/21/2018 04:22 PM
Children seized at US border will face lasting health effects
The psychological and physical effects of serious trauma are likely to impact the children being separated from their families at the US border for years

06/20/2018 03:59 PM
Eating less red meat protects against endometriosis
Minimising red meat consumption seems to protect against endometriosis, according to a study of more than 80,000 women who were followed for two decades

06/20/2018 07:00 AM
Black men are left out of cancer trials because of their biology
Prostate cancer is more common in African Americans, but they are less likely to be included in drug trials. Unintended biological biases are partly to blame

06/19/2018 05:00 PM
A huge number of mystery microbes are living on your skin
We thought we knew about most of the species in our bodies’ microbiomes, but a study has revealed a large number of previously-unidentified organisms

06/19/2018 04:00 PM
Special cells could let you control your diabetes with coffee
A cup of coffee after a meal might be enough to keep diabetes under control, thanks to caffeine-triggered cells that have been engineered to release insulin

06/19/2018 11:19 AM
Time to end the cruel ban on using cannabis therapy for epilepsy
Ill-conceived and outdated drug laws in the UK are denying children with severe epilepsy vital medicinal cannabis treatments. That must change, says David Nutt

06/19/2018 08:00 AM
A robot has performed eye surgery on humans for the first time
For the first time, six people have had eye surgery performed by a robot that was able to filter out the tremors from a surgeon's hand

06/18/2018 05:35 PM
HIV prevention drugs could delay diagnosis if you get infected
HIV tests may be giving incorrect results for people taking PrEP to avoid getting the virus, meaning they may be HIV positive for months without knowing

06/18/2018 09:00 AM
Changing our minds about psychedelics takes a great guide
A book on learning to open our minds to psychedelics as they find a new, more scientific place in our society makes for a fantastic personal story

06/15/2018 11:01 PM
Knowing your DNA can help you stick to a healthier lifestyle
When people are advised to live more healthily, they usually give up quickly. Now a study suggests that genetic data can persuade people to make lasting changes

06/15/2018 01:28 PM
Mediterranean diet is still good for you but only if you’re rich
A landmark study that touted the benefits of the Mediterranean diet has been retracted, but eating more fresh fish and veg is still good for you, if you can afford it

06/15/2018 10:12 AM
AI can detect early signs of Parkinson’s from brain scans alone
An AI could identify signs of Parkinson’s from brain scans alone. One day it could be used to spot the disease before physical symptoms show

06/14/2018 04:00 PM
Your brain absolutely cannot resist doughnuts – here’s why
Foods that are high in both carbohydrates and fats super-charge the activity in our brain’s reward centre, explaining why we find them so appealing

06/14/2018 12:00 PM
The truth about spices: Is it time to ditch the turmeric latte?
Spices are causing a stir as cheap and easy cure-alls for everything from diabetes to dementia, but not all the claims live up to the hype

06/14/2018 11:00 AM
Is research in jails the way to end wars over dietary guidance?
US researchers say studies in prisons could firm up evidence on salt intake and health. The doubters will still doubt, say Mike Lean and Alastair Campbell

06/13/2018 06:00 PM
Psychedelics may help your brain cells form new connections
LSD and other members of the psychedelic family make neurons grow more branches, potentially explaining how they might treat depression

06/13/2018 06:00 PM
The brain has a special clock that tracks sleepiness
A chemical clock has been found in the brains of mice that keeps track of how long it’s been since an animal last slept, and how sleepy it should feel

06/13/2018 12:00 PM
Parkinson’s disease may be caused by virus that kills gut bugs
People with Parkinson's seem to have some differences in their gut microbiome - but is this cause or consequence?

06/12/2018 02:00 PM
Gene editing embryonic stem cells might increase risk of cancer
Genome editing with CRISPR may select for cells with mutations in a key anti-cancer gene, but now we know of this risk it should be possible to ensure treatments are still safe

06/11/2018 01:15 PM
A self-balancing exoskeleton lets wheelchair users walk again
An exoskeleton is being tested that helped a wheelchair user to walk for several hours without pain. It supports its own weight and mimics the wearer’s natural gait

06/08/2018 07:00 PM
We can tweak immune cells to be much better at wiping out HIV
Studying the immune cells of people who can keep HIV under control in their bodies has yielded new insights that might enable all people with HIV to do the same

06/07/2018 05:22 PM
Nipah: the unknown virus that could be the next pandemic threat
A virus most people have never heard of has killed 17 people in India, and disease experts are getting concerned

06/07/2018 12:05 AM
Kidney cancer spreads by pretending to be white blood cells
Many people with cancer die from secondary tumours, and now we know how some cancer cells are able to spread around the body and move into other organs

06/06/2018 06:00 PM
Party drugs are here to stay, but they don’t have to be killers
Crack downs on psychedelic substances are failing to protect people from harm. Drug tests at festivals and nightclubs to check they are legit could be a better way

06/06/2018 11:36 AM
Anti-acne cream clears up skin without any nasty side effects
A new anti-acne cream that blocks inflammation is more effective and has fewer side effects than existing lotions, a clinical trial has found

06/06/2018 11:16 AM
4-year-olds care more about plants and animals than sick people
When we’re young, we care less about people – so much so that 4-year-olds care less about teachers and police than they do about dogs, monkeys and rosebushes

06/04/2018 04:00 PM
Woman survives metastatic breast cancer thanks to new treatment
A therapy that targets the immune system has had dramatic results in people with four types of cancer in advanced stages that were previously untreatable

06/04/2018 03:50 PM
Zambia to kill 2000 hippos because they might spread anthrax
Over the next five years 2000 hippos are to be culled in Zambia, supposedly to stop them giving people anthrax, but the cull may inadvertently fuel the trade in hippo ivory

06/04/2018 11:09 AM
A whole new type of cancer therapy helps treat liver cancer
By making a gene in the liver work harder, a completely new type of drug has shown promise for treating cases of advanced liver cancer in a small trial

06/04/2018 10:00 AM
It’s time we stopped dismissing women’s health problems
Controversy about cervical smear tests is just the latest in a series concerning women’s health. It’s time to talk about inequality in the doctor’s surgery

06/04/2018 09:00 AM
Model Behaviour: How a sceptic was won over by life in the lab
A new book about shadowing a team of behavioural geneticists shows them at great pains to capture the vagaries and complexities of their tricky research

06/01/2018 07:00 PM
We’re beginning to understand how some people can control HIV
A few people are able to keep the HIV virus in check for decades without getting ill. At last we’re beginning to understand what’s special about their bodies

06/01/2018 11:59 AM
So-called ‘holy grail’ cancer test would miss thousands of cases
Newspaper reports have hailed a blood test for detecting several types of cancer as the “holy grail of cancer research”, but it is far from accurate enough

06/01/2018 10:50 AM
Can an app tell if you have dementia years before your doctor?
Many games and apps claim to identify the earliest signs of dementia – if they work, we might be able to catch the condition early enough to treat it

05/31/2018 07:00 PM
People with big brains have a different brain structure too
If you have a large brain, certain regions are much bigger than expected and others are smaller – but we don’t know how this affects brain function yet

05/31/2018 06:00 PM
Art that brings meaning to medicine
Edinburgh's Surgeons' Museums have launched their new art programme with a show by Chinese artist Zhang Yanzi that's at once sincere and spectacular

05/31/2018 05:20 PM
US ‘right to try’ drugs law could hurt terminally ill people
A new law in the US allows terminally ill people access to unproven medicine, but it’s not clear who will pay if treatments go horribly wrong

05/31/2018 12:00 PM
Frozen placentas could be the ticket to a long and healthy life
Placentas are usually discarded, yet they are packed full of stem cells. Now Bob Hariri and XPrize founder Peter Diamandis aim to harness their potential

05/31/2018 11:26 AM
There’s no such thing as a ‘detox’ – so let’s ban the word
Using the word detox to promote drinks such as tea as well as food and other products is essentially meaningless. Time to give it a rest, says Anthony Warner

05/31/2018 11:25 AM
Ambien can cause bizarre behaviour – but not racist tweets
Roseanne Barr has blamed the sleeping pill Ambien for her racial attack on a former Obama adviser. The drug is known to cause a range of strange side effects

05/30/2018 06:00 PM
Women aren’t being told real risks of cervical cancer screening
Efforts to prevent cervical cancer seem so straightforward that few women question them, but unnecessary treatment can cause miscarriages and premature births

05/30/2018 06:00 PM
Drugs that help our cells tidy up might extend lifespan
Ramping up the body’s ability to remove damaged cells has been found to stave off organ damage and cancer in mice – could a drug get the same effect in humans?

05/30/2018 04:30 PM
The cancer-fighting multi-organ: 9 ways the placenta is amazing
From helping us conquer the world to curing cancer, here are nine reasons why the placenta deserves our appreciation

05/30/2018 02:30 PM
GM golden rice gets approval from food regulators in the US
The genetically modified rice, designed to prevent blindness in undernourished children, was judged safe to eat last week by the US Food and Drug Administration

05/30/2018 12:30 PM
There’s a new kind of superfood – and it’s not what you think
GM foods like good-gluten bread are going on sale, with a range of health benefits to tempt consumers. Will doubters be won over at last?

05/29/2018 05:15 PM
Brains grow brand new neurons after experimental drug injection
We make very few new brain cells as adults, but a chemical cocktail that creates new neurons in mice could change that, and help treat Alzheimer’s and stroke

05/29/2018 10:40 AM
Faulty placenta may explain why some people get schizophrenia
A poorly-working placenta may affect brain development in the womb, and this could explain the link between pregnancy complications and schizophrenia

05/28/2018 10:00 AM
We can’t trick people into accepting genetically modified foods
With new GM foods quietly reaching the shops, we must ensure consumers have the information to make real choices

05/25/2018 12:00 PM
Minimally conscious people woken with brain zap by their family
Some people, who have been minimally conscious for years, could respond to questions from their loved ones for the first time after treatment with electricity

05/25/2018 11:46 AM
Dentists can smell your fear – and it may put your teeth at risk
A study of sweaty T-shirts suggests dentists can smell when someone is anxious, and it makes them more likely to make mistakes and damage neighbouring teeth

05/24/2018 10:24 AM
How a change in tactics could help autism research
For some, symptoms of autism can hamper their daily lives, but drugs to mitigate these have floundered during trials. Shafali Jeste has an idea of why

05/23/2018 07:00 PM
Brain implant for OCD surprisingly helps alleviate diabetes too
A person who has a brain implant for OCD has had an unexpected side-effect: better blood sugar control. The finding reveals the brain has a role in diabetes

05/23/2018 06:00 PM
Seafood-lovers have more sex and take less time to get pregnant
Couples who eat seafood more than twice a week have more sex and get pregnant quicker, a study of 1000 people has found, although the reason why remains unclear

05/23/2018 03:42 PM
Men more likely to get diabetes if they have overweight wives
In heterosexual relationships, only men are more likely to get diabetes when their partner has a high BMI – perhaps because of gender roles in the home

05/23/2018 03:00 PM
Pink pineapples and healthy fries: The new GM foods made for you
From health benefits to increased flavour and longer shelf-life, discover the new generation of GM foods designed with the consumer in mind

05/23/2018 12:00 PM
How tech bugs could be killing thousands in our hospitals
From falsely calculated drug doses to data-entry error, the true toll of medical IT glitches is only just becoming apparent – but there are obvious fixes

05/23/2018 01:00 AM
Changes in your sperm reveal if you’ve had a difficult life
Men carry chemical clues to childhood traumas in their sperm, and these might be passed down to their sons – but we don’t know what effects these have yet

05/22/2018 01:15 PM
Why the UK’s plan to tackle air pollution is mostly hot air
A ban on using polluting wet wood isn’t nearly enough to halt the rise in dangerous particulates from trendy wood burners

05/22/2018 09:00 AM
Let’s all heed the health benefits of a month without alcohol
Drinkers in particular need to be more aware of mounting evidence of links between alcohol and cancer, and make judgements accordingly

05/21/2018 06:00 PM
Babies should mix with other children to lower leukaemia risk
Cancer researcher Mel Greaves has suggested that a lack of exposure to microbes in a baby’s first year can make children more likely to get a form of leukaemia

05/21/2018 05:45 PM
Cause of polycystic ovary syndrome discovered at last
Polycystic ovary syndrome, which affects one in five women, seems to be caused by a hormonal imbalance. An IVF drug may fix this, and will be trialled soon

05/21/2018 04:25 PM
How Theresa May’s plan for an AI-powered NHS could go very wrong
Trials of artificial intelligence show it can spot diseases that doctors miss – but rolling the tech out across the UK might prove more difficult

05/21/2018 11:37 AM
Blood from umbilical cord may help fix your brain after a stroke
Ten people have received infusions of umbilical cord blood days after having a stroke, and they seem to have recovered better than would normally be expected

05/18/2018 04:06 PM
An AI can now tell how malnourished a child is just from a photo
A company in Kenya has devised a system that uses artificial intelligence to detect a child’s level of malnutrition from a photo, without bulky equipment or examinations

05/18/2018 03:45 PM
Can a repeat of disastrous Ebola epidemic be averted this time?
The latest outbreak of the deadly virus has spread to a city of a million people in the Democratic Republic of Congo. But hopes are high disaster can be avoided

05/17/2018 05:01 AM
The US isn’t fertile enough to sustain itself without immigrants
For every 1000 women in the US, only around 1760 children are born, meaning the US population cannot replace itself without immigration

05/16/2018 06:00 PM
Keep the facts front and centre in Ireland’s abortion debate
Research can offer plenty of evidence to back the case for relaxing Ireland’s near total abortion ban in the country’s upcoming referendum, says Lara Williams

05/16/2018 04:00 PM
Biodegradable plastic: Waste that eats itself
Plastics that degrade on disposal already exist, and are getting better. But they won't solve the plastic trash problem on their own – and here's why

05/16/2018 12:27 PM
Push to rid poorer nations of harmful trans fat is long overdue
The World Health Organization has rightly agreed to demand all countries remove artery-clogging trans fat from food, says Geoffrey Webb

05/16/2018 11:16 AM
Laser can detect your heartbeat and breathing from a metre away
A laser device can monitor vital signs such as your heartbeat, breathing rate, and muscle activity - all without wires

05/15/2018 12:35 PM
We may finally be able to beat the common cold with a new drug
An experimental drug stops common cold viruses from building their protective outer armour, preventing them from replicating and spreading

05/15/2018 10:00 AM
Self-repairing organs could save your life in a heartbeat
Our cells are more malleable than we thought – and by transforming them inside the body, we can mend broken hearts or even degenerating brains from within

05/15/2018 07:00 AM
Gallery of terrifying gynaecological tools from past 200 years
These don't look like the kinds of things you might want inserted in your body – but these instruments have been gynaecological staples for hundreds of years

05/14/2018 12:15 PM
Doing Dry January lowers cancer-promoting proteins in your blood
Stopping drinking for just one month is enough to dramatically lower the levels of hormone-like chemicals in your blood that help cancer to develop and spread

05/11/2018 12:03 PM
Measles cases in England are up 65 per cent on last year
There have been 440 confirmed cases of measles in England so far this year. These cases are linked to ongoing outbreaks in Europe, according to Public Health England

05/10/2018 04:00 PM
Eating all your meals before 3pm could be good for your health
Eating all of your daily meals by mid-afternoon has been found to lower appetite and cut blood pressure, and may make you less likely to develop diabetes

05/10/2018 03:00 PM
Hope for herpes vaccine after it wipes out virus in monkeys
Animal trials have proved successful in preventing and treating genital herpes in guinea pigs and monkeys, giving hope that the vaccine will move into human trials within the year

05/09/2018 06:00 PM
High times: The Victorian doctor who promoted medical marijuana
Thanks to one man's researches, cannabis was drug of choice for ailments from migraine to epilepsy – until an unexpected twist led to its downfall

05/09/2018 01:22 PM
Superhuman: What human extremes mean for today and tomorrow
What makes exceptional people? Will we need those extreme abilities in future? An unusual book maps the territory, linking individual stories to science

05/09/2018 01:16 PM
Evading death and mind-uploading: The ambition of transhumanism
Transhumanists could not stop for Death but they kindly stopped for Mark O'Connell, who has captured their beliefs and anxieties in his Wellcome Book Prize winning travelogue

05/09/2018 07:45 AM
AI is now better than humans at spotting signs of cardiac arrest
A system designed by Copenhagen-based artificial intelligence company Corti is more accurate and faster at detecting signs of a cardiac arrest over the phone than dispatchers

05/08/2018 11:10 AM
The fake burger test: Could meat made of plants ever fool you?
If you like meat, but don’t want a side of animal cruelty and environmental destruction, there’s something new on the menu – and it tastes surprisingly good

05/07/2018 10:00 AM
Meat substitutes aren’t perfect but they are worth a try
Our taste for meat is disastrous from an environmental point of view. We should celebrate those developing ever-meatier plant-based alternatives

05/06/2018 07:00 AM
Creative people are 90 per cent more likely to get schizophrenia
A study of the entire population of Sweden has found that people who do artistic subjects at university are more likely to have schizophrenia and depression

05/05/2018 01:00 PM
Ketamine ingredient improves severe depression in large trial
A trial of a nasal spray containing an ingredient of the drug ketamine has had positive but modest results in people with severe depression

05/03/2018 07:00 PM
Your bones contain crystals shaped like fingers and hands
A blurry brown picture is the most detailed 3D image of bone ever produced. The model gives unique insight into the crystals inside our bones

05/03/2018 07:00 PM
People adapted to the cold and got more migraines as a result
A gene variant that helps humans cope with colder climates also seems to have put people living in northerly regions at a higher risk of migraine

05/03/2018 03:05 PM
Smart people literally have bigger brain cells than the rest
For the first time, IQ has been linked to neuron size and performance. The breakthrough could lead to new ways to enhance human intelligence

05/03/2018 01:02 PM
Why breast screening error stories are getting death stats wrong
Headlines claim up to 270 women died as a result of missed breast checks due to an IT error. They are unlikely to be correct, says David Spiegelhalter

05/03/2018 10:23 AM
First US death due to romaine lettuce as E. coli outbreak widens
The contaminated romaine lettuce that has spread illness across 25 states is now responsible for one death, and the source of the E. coli outbreak is still unknown

05/02/2018 11:30 PM
Women who eat more pasta tend to get menopause earlier
Eating more white pasta and rice has been linked to reaching menopause a year or so earlier than average, while eating oily fish is linked to later menopause

05/02/2018 02:52 PM
Inquiry launched into 450,000 missed breast cancer screenings
A "colossal" computer error meant 450,000 women missed crucial breast cancer screening appointments, possibly resulting in hundreds of avoidable deaths

05/02/2018 12:36 PM
Mediterranean diet delays Alzheimer’s for three extra years
Filling your diet with plants, fish and oil and limiting your intake of processed food may slow the build-up of amyloid plaque, delaying the onslaught of Alzheimer's

05/02/2018 12:25 PM
A male pill will be a breakthrough for science but not for women
Research is closing in on the elusive male contraceptive pill. But will it really lead to men taking more responsibility for birth control, wonders Lara Williams

05/02/2018 12:15 PM
This mind-reading hearing aid knows who you’re listening to
An ear mounted device with a battery of brain-scanning electrodes knows which sounds you're paying attention to – it might also help you get a good night's sleep