Laura Sanders' Articles
- People who exercised strenuously for a half hour after learning something new cemented those memories. But the trick: Wait four hours before getting the heart pumping vigorously.
- Part of the left half of the brain remains on alert while the rest of the brain and body snooze.
- The Zika virus is spreading in the Americas. There has also been an uptick in cases of Guillain-Barré syndrome. Scientists think the two are linked.
- Children introduced to sign language as babies performed better on mental-processing tasks at age 12 — and as adults — than did people who learned sign language at age 3.
- The behavior of hundreds of genes can identify a viral infection, a new study finds. That could help doctors determine treatment for a sick patient.
- Brain scans of people smoking potent forms of pot showed abnormalities in white matter. Studies have not yet looked to see if these changes are also linked with changes in memory, risk of depression or other types of harm.
- A study in mice finds the body has a special way of dealing with an itch that’s caused by a light touch. The results could lead to treatments for chronic itch.
- The 2015 Nobel Prize in medicine went to scientists who used nature as the model for important human drugs to combat malaria and serious infections.
- A new study suggests stress can affect our behavior — and willpower — by making tasty foods look more irresistible.
- When people infected with a “brain-eating amoeba” die, their own immune systems might be to blame.