Neuroscience

Settling the debate on serotonin's role in sleep

Serotonin is a multipurpose molecule found throughout the brain, playing a role in memory, cognition, and feelings of happiness and other emotions. In particular, researchers have long debated serotonin's role in sleep: Does ...

Diseases, Conditions, Syndromes

Beware of parasites in raw/undercooked fish, warn doctors

An unseen hazard of eating raw or undercooked fish/seafood is on the rise in Western countries, where dishes, such as sushi, are becoming increasingly popular, warn doctors today in BMJ Case Reports.

Diseases, Conditions, Syndromes

Guppy fish proven to be cheap, effective tool in fight against dengue

Larvae-eating guppy fish can help combat the spread of dengue, a mosquito-borne illness giving rise to hundreds of thousands of severe cases including 20,000 deaths worldwide every year, according to a trial study by the ...

Cardiology

Cells make costume changes for cardiac regeneration

(Medical Xpress)—If the heart following a heart attack is not sufficiently supplied with blood, heart tissue dies. In adult humans, the ability to heal itself is hardly developed. Scientists from the Max Planck Institute ...