Health & Medicine

Life

Rare gene variants linked to ADHD

Missing or added genes cause attention deficit hyperactivity disorder and other disorders, such as autism.

Health & Medicine

Sleep apnea tied to later dementia

Elderly women who have gaps in their breathing at night have a heightened risk of developing cognitive problems, a study finds.

Humans

Bag lunches invite disease, study finds

“Sack” lunches often pose a ticking bacterial bomb, a new study indicates. And including an ice pack or two — ostensibly to keep perishables at safe temperatures — won’t necessarily eliminate the risk.

Life

Common virus may ride up nose to brain

Almost everyone is infected, but in some people a widespread herpes bug appears to reach the central nervous system by an olfactory route.

Health & Medicine

Body & Brain

Chilled newborns, statin drugs for stroke, effects of mom’s stress and more in this week’s news.

Life

How exercise benefits nerve cells

Activity stimulates production of a neural insulation that moves messages faster.

Health & Medicine

Urine test may improve prostate screening

Levels of two biomarkers might clarify whether a man with an iffy PSA score needs to get a biopsy, a study finds.

Life

DNA switches tied to non-Hodgkin lymphoma

Genetic defects lead to altered activity in other genes.

Humans

Brain waves make a fast brake

New technology would allow drivers to slam on the brakes faster just by thinking about it.

Health & Medicine

One problem, many paths

Autism’s many genetic players may act through common networks.

Health & Medicine

Body & Brain

Sour news for cranberries, libido-sapping drugs, the social brain and more in this week’s news

Health & Medicine

Better transplants through centrifuging

Removing some antibodies from the blood of kidney recipients can improve their long-term outlooks, a study finds.