19 November 2012, 11:12 AM ET
The brain consumes loads of calories and plant matter couldn't do the trick for prehumans.
13 November 2012, 05:00 PM ET
A license could stem tobacco use, known to come along with a suite of health risks.
24 October 2012, 05:01 PM ET
Confusion and doubt still linger nearly two years since vitamin-D guidelines were issued.
22 October 2012, 04:01 PM ET
Exactly how mind games boost brain activity remains a mystery, scientists say.
18 October 2012, 03:01 PM ET
Here are the properties of green tea that may prevent breast and prostate cancers.
28 September 2012, 04:50 PM ET
That's 600,000 years of potential life lost, and $6.6 billion in lost productivity.
28 September 2012, 03:39 PM ET
These are real, though no respectable doctor would recommend you light up.
30 August 2012, 08:35 AM ET
The worse outbreak of whooping cough in 50 years prompts CDC to urge kids and adults to get vaccinated.
17 August 2012, 10:33 AM ET
And you may want to ditch the iced tea in favor of water.
14 August 2012, 04:08 PM ET
The first look at human exposure to Fukushima's radiation reveals residents of one city are OK.
07 August 2012, 01:01 PM ET
The citrus drink makes one cancer drug more effective at lower doses.
03 August 2012, 09:43 AM ET
Scientists find unexpectedly that Prozac, the anti-depression drug, has antiviral properties.
27 July 2012, 08:47 AM ET
What you eat may cause epigenetic changes that set up your grandkids for obesity and other diseases.
10 July 2012, 04:01 PM ET
The risk, however, doesn't outweigh the benefits of vaccination, scientists say.
10 July 2012, 11:19 AM ET
These edible and nutritious backyard weeds can survive drought conditions.
26 June 2012, 04:01 PM ET
Doctors may have to eat their mantra that a calorie is a calorie.
26 June 2012, 07:31 AM ET
Scientists found bacteria from the gums had traveled to patients' knees.
12 June 2012, 03:43 PM ET
The finding may explain why more African-Americans suffer from certain cancers than do white Americans.
23 May 2012, 07:42 AM ET
Moral grounds keep some doctors from recommending it despite anti-cancer potential.
15 May 2012, 07:38 PM ET
Making greasy, processed foods more expensive may lead to healthier choices.
09 May 2012, 09:56 AM ET
As such, the deadly ingredient should be regulated, they say.
08 May 2012, 07:49 AM ET
Money, not education, may be key.
24 April 2012, 08:31 AM ET
The result may have some people questioning the goodness of "all natural."
20 April 2012, 10:34 AM ET
Hospitals, among the nation's worse polluters, pledge to get green.
02 April 2012, 04:00 PM ET
Measurement clears up teen body fat levels.
27 March 2012, 09:08 AM ET
If you're prone to heart disease, you may want to put down that hamburger.
22 March 2012, 10:21 AM ET
So-called goblet cells could introduce "peanuts" to the immune system on friendly terms.
12 March 2012, 04:19 PM ET
The findings may put a damper on warm-weather picnics complete with grilled meat.
06 March 2012, 08:09 AM ET
Turns out, you can enjoy juicy drumsticks without the guilt.
28 February 2012, 10:27 AM ET
Raw milk is linked to the 150 times the disease outbreaks as pasteurized milk.
22 February 2012, 01:01 PM ET
Male mice lived 16 percent longer than average.
15 February 2012, 01:01 PM ET
Alcohol kills more than 2.5 million people ever year, more than AIDS.
13 February 2012, 06:41 PM ET
Rather than a pharmaceutical doctors may give a carrot prescription to patients.
01 February 2012, 01:01 PM ET
Sugars are toxic and should be regulated as strictly as alcohol, they say.
26 December 2011, 01:48 PM ET
Accidental or intended, these scientific findings ended up being blunders.
20 December 2011, 09:30 AM ET
A simple sugar alcohol may be just what the dentist ordered.