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Fast food is much fatter and saltier than 30 years ago

Fast food servings have gotten significantly bigger since 1986, which may partly explain the rise in obesity in the United States.

Babies' unwanted gifts: six years of bad sleep

It's worse for the mothers, of course.

Mobile bioprinter promises to print new 'skin' straight onto any wound

No skin? No problem!

You can't make up for lost sleep on the weekend -- not if you want to stay healthy

Sorry, college freshmen.

Yeast genetically-modified to produce cannabis compounds

In fact, it can produce some cannabinoids that are not naturally-occurring.

Kids growing up in green areas have better mental health as adults

Want to have healthier kids? Green spaces are essential, researchers say.

Exercise, fasting boosts cellular cleanup of defective proteins

Defective and toxic proteins in cells are cleared more easily with a healthy lifestyle.

New mothers experience up to six years of sleep deprivation

A good night's sleep can be a distant dream when having a baby.

Go to the park, it's good for you -- and makes you happier

If nothing else, it's free entertainment!

Antarctic icefish produces antifreeze to maintain liquid blood

This group of fish is unique among all vertebrates.

Collagen networks and hyaluronic acid literally keep you in shape, new study reports

How most of us feel in regards to our shape, well, that's not biology's concern.

Unvaccinated French child brings measles back to Costa Rica

Antivaxx trends and complacency are bringing back a disease from the brink of eradication.

'Silver spoons' stay with mongooses for life -- then pass off to their offspring

Nothing like some sweet TLC to give you a nice start in life.

Competence begets leadership in small groups

Make America small again, then!

Nanoparticles inject genes directly into the chloroplast of plants

It's easier and more effective than other gene editing methods. What's more, there's no risk of transmitting altered genes to other species, such as weeds.

Scientists identify genes and brain cells involved in insomnia

Insomnia is poorly understood but a new study might finally help millions of people get a good night's sleep.

Whatever your drinking strategy is, you'll get equally hungover

If you want to avoid hangovers, simply look for red flags, researchers say.

Scientists activate tooth regeneration in mice

Mice are born with a single set of teeth, unlike humans which have two. Now, scientists used genetic techniques to signal the formation of additional teeth in mice.

Cervical cancer could be a thing of the past by 2100

The challenge is greater in the world’s poorest countries.

The 'forager gene' of humans and fruit flies works in practically the same way

No time like mealtime.

Scientists move closer to a pacemaker powered by heartbeats

Pacemakers in the future might never require battery replacement.

Neanderthal diet revolved around meat, new study finds

Caveburgers, anyone?

Activating one gene in the brains of male mice helps reverse depression

Sorry ladies.

Great white shark genome might teach us how to heal faster or stave off cancer

Scientists sink their teeth in the great white's genome

Setting attainable goals makes us happier, even if we fail

Sometimes less really is more.

Natural compound found to increase longevity in yeast, worms, and cultured human cells

It's only a preliminary study, but the results are promising.

Daily household tasks like cooking and cleaning are a hidden source of air pollution, researchers say

One-day household pollution may be given as much attention as transportation emissions.

Australia says 'bye bye' to rubella. Cervical cancer is next

Vaccines work, definitely!

Just a few drinks can change the way memories form, eventually leading to cravings

Alcohol has very subtle effects on the brain which we're only beginning to recognize.

Estrogen may cause sex differences in methamphetamine addiction

Treatment for the highly addictive substance might have to be approached differently if you're male or female.

Two or more diet sodas a day may increase risk of stroke

More and more evidence suggests that zero-calorie drinks may be just as bad as sugary ones.

New drug reverses memory loss related to depression and aging

The implications could also be huge for people with Alzheimer's.

Orangutans don't use tools instinctively -- they actually think about what they're doing

Give an orangutan a banana and you'll feed him for a day. Give him a stick and he'll poke bananas for a lifetime.

Unexpected notes make music more enjoyable

Surprise is the spice of life.

New device makes it easy to see when water has too much fluoride

This could be very important for developing countries.

Ultra-processed food linked to dying prematurely

Almost 60% of a typical American's diet is comprised of ultra-processed foods.

Seven traits are seen as moral by the whole world, study finds

It's good to be good.

Genetics may be more important for perfect pitch than musical training

Mozart's talent for spotting a tone without a reference may be more influenced by genetics than previously thought.

AI detects childhood diseases with doctor-like accuracy

This isn't meant to replace doctors, but help them and speed up the diagnosis process.

Shame, not guilt, makes us consumed by our secrets

Your secrets are safe with you, but you're not safe with them.

Nicotine works inside our neurons to reinforce addiction

So, you know. Don't smoke.

Is Coffee good or bad? A critical view on the science behind it

Evidence points to the fact that coffee does more good than harm, indicating that it can be part of a healthful diet.

Dengue vaccine candidate looks promising in Phase 3 Trial

Dengue is a mosquito-borne disease that causes flu-like symptoms but can be lethal and kill up to 20% of those with severe dengue.

Most Americans with a medical marijuana license use it to treat an evidence-based condition

Chronic pain is the most common condition identified by the study.

Drug for common skin condition also fights heart disease

It's an unexpected finding which might end up making a very big difference.

New software allows researchers to CATCH any known virus in a sample

"Tools like CATCH will help us and others detect outbreaks earlier and generate more data on pathogens that can be shared with the wider scientific and medical research communities," the authors say.

DNA testing is becoming more popular -- but how does it really work?

DNA testing kits have developed tremendously in recent times, moving out of the lab and onto the real world. After all, who wouldn’t want to trace their genetic heritage? Most of the time, it only takes a few weeks (and a reasonable sum) to find out where your lineage came from. But how does it […]

Over 100 new species of bacteria discovered in your gut

I had a gut feeling they would.

The perverse link between ADHD and addiction

The neurological disorder often begets another disease: addiction.

Are 'smart drugs' all they claim to be?

A pill that makes you smarter? Not so fast...

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