Medical News Today: Macrolide antibiotics 'do not increase risk of heart arrhythmia, death'

Macrolide antibiotics have been linked to arrhythmia, with a warning issued by the FDA; but a study now shows they may not be riskier than other types of antibiotics.

Medical News Today: How graphic warnings on cigarette packets influence smokers' brains

Warning images on cigarette packaging trigger activity in brain regions associated with emotion, decision-making and memory, shedding light on how they could help smokers quit.

Medical News Today: Viagra relieves life-threatening condition in swimmers and divers

Athletes and divers who find that swimming-induced pulmonary edema prevents them from swimming in cold water may find relief in a small dose of sildenifil, or Viagra.

Survey examines Americans' use of and satisfaction with homeopathic medicines

A new survey finds that homeopathic medicines are primarily used by a small segment of the U.S. population for common, self-limited conditions such as the common cold or back pain.

Medical News Today: How safe is the Paleo diet?

The popular low-carbohydrate, high-fat 'Paleo' diet can cause weight gain and predispose followers to diabetes, say researchers, who recommend a Mediterranean diet instead.

Medical News Today: Insulin-producing mini-stomachs: a game-changer for diabetes?

Researchers have created mini-stomachs that can produce insulin. When transplanted in mice lacking insulin-producing beta cells, the tiny organs were able to compensate.

Medical News Today: Rising pollution levels linked to increased strokes

New research presented at the American Stroke Association's Conference this week shows a link between higher pollution levels and a higher number of strokes.

Fibromyalgia sufferers might benefit from tailored acupuncture

Previous research into the benefits of acupuncture for fibromyalgia sufferers has been inconclusive. A new study using a more tailored approach yields promising results.

Medical News Today: Running wheel sets off chain reaction to shrink tumor size

Mice that ran on a wheel for exercise started a process that led to natural killer cells fighting their tumors and shrinking them by 50%.

Medical News Today: Sneezing: how a complex fluid outpour contributes to disease spread

When we sneeze, we do not emit a simple spray of fluid. New research finds that the process is much more complex, increasing our understanding of how a sneeze spreads germs.

Medical News Today: Zika: should you be worried about it?

As the Zika outbreak continues to spread across the Americas, we take a look at who should actually be concerned about the virus and what they should be doing about it.

Medical News Today: Air pollution linked to facial liver spots

Exposure to air pollution appears to increase the chance of lentigenes, also known as liver spots, with nitrogen dioxide playing a slightly greater role than particulate matter.

Medical News Today: Marijuana: increase in adult use 'previously overestimated'

Last October, one study suggested marijuana use in the US had doubled since 2002. New research, however, suggests that while use of the drug has risen, it has not doubled.

Medical News Today: Barley 'reduces appetite and improves metabolism'

Study participants who ate barley kernel bread for 3 days had improved metabolisms for up to 14 hours and decreased blood sugar and insulin levels, researchers say.

Medical News Today: Back-to-school asthma attacks linked to common cold virus in children

An increase in asthma attacks when children return to school after a long break is associated with a rise in the spread of the cold virus. Peaks in adult asthma are linked to flu.

Medical News Today: Concussion triples or quadruples risk of suicide

People who experience concussion have a three to four times higher chance of committing suicide in the following years, especially if the injury occurs on a weekend.

Medical News Today: 3D-printed bone structure allows tissue regeneration

3D printing techniques have created a bone scaffold that enables human bone tissue to regenerate and then dissolves as the natural tissue takes over.

Medical News Today: Flu risk: cover your cough at Superbowl celebrations

Superbowl parties and gatherings can spread influenza, putting the lives of over-65s at risk. Researchers advise party-goers to take extra precautions while celebrating.

Medical News Today: Eradicating mitochondria from cells may reverse aging

Scientists found that removing mitochondria from human cells reduced levels of markers linked to cellular aging, proving that mitochondria play a crucial role in the aging process.

Medical News Today: Obesity associated with ADHD in females

Obesity and ADHD have been found to coincide in females, says a new study that has followed participants from 1976-2010, suggesting a need for greater awareness of the risks.

Meditation shown to reduce pain during breast cancer biopsy

Though undergoing a breast biopsy is anything but relaxing, a new study shows that patients who meditate during the procedure experience less pain, anxiety and fatigue.

Medical News Today: Parental depression lowers school grades

Growing up with parents who are depressed can have a negative impact on school grades for children up to the age of 16 years, but intervention could help to mitigate the effects.

Medical News Today: Alzheimer's: no link to mercury in brain or seafood consumption

In the first study to examine the link between mercury levels in the brain and brain neuropathology, researchers say there is no association between mercury levels and dementia.

Medical News Today: Are BPA-free food containers really safe?

Plastic products containing bisphenol A are thought to be harmful, so bisphenol S has been introduced as a safer alternative. New studies, however, show they have similar effects.