Your microbiota may not be on your side as you try improving your diet this New Year's.

Here’s what you need to know.

"While these compelling results come too late for those who lost their lives during West Africa's Ebola epidemic, they show that when the next Ebola outbreak hits, we will not be defenceless."

Compared with the total time spent on social media, use of multiple platforms is more strongly associated with depression and anxiety among young adults, researchers found.

Daily use might be cheap and easy way of curbing spread of infection, the researchers say. 

Sunlight, through a mechanism separate than vitamin D production, energizes T cells that play a central role in human immunity, researchers have found. 

Salmonella is currently treated with antibiotics, but some strains are rapidly developing antibiotic resistance.

In a 20-year Finnish study, men who used a sauna 4-7 times a week had a significantly lower chance of being diagnosed with dementia than those who only used it once a week.