Health

February 1, 2019, 4:59 p.m. by Bryan Nelson

Our sleeping brains are still listening to the outside world, and taking notes.

January 31, 2019, 6:25 p.m. by Bryan Nelson

New study unveils how the need to sleep is tied to immune system function.

January 28, 2019, 2:33 p.m. by Lloyd Alter

Islabike introduces a new line of bikes designed for aging riders.

January 28, 2019, 9:12 a.m. by Mary Jo DiLonardo

Gum disease may be linked to Alzheimer's.

January 23, 2019, 11:56 a.m. by Mary Jo DiLonardo

But in case you want to give brain games a shot, here are 5 to try.

January 22, 2019, 5 p.m. by Bryan Nelson

Here's a welcome, unexpected side effect of vaccines.

January 22, 2019, 1:57 p.m. by Jacqueline Gulledge

Markku Lahdesmaki's photo series illuminates the Finnish hobby of ice swimming.

January 22, 2019, 6:44 a.m. by Lloyd Alter

Streets also need to be rollable and strollerable and whoknowswhatable.

January 17, 2019, 9:20 a.m. by Mary Jo DiLonardo

From slight pleasure to extreme euphoria, our faces convey happiness more than any other emotion.

January 16, 2019, 9:15 a.m. by Mary Jo DiLonardo

Hint: It's the key to easy exercise and making all movements count.

January 15, 2019, 1:09 p.m. by Katherine Butler

One psychologist explains which events and emotions play a factor.

January 15, 2019, 12:26 p.m. by Jenn Savedge

Don't stop at diet and exercise. Try these other habits to improve your cardiovascular health.