Health & Fitness

The hormone estrogen regulates binge drinking in females, causing them to 'pregame' -- consume large quantities of alcohol in the first 30 minutes after it's offered, according to a preclinical study. The study establishes -- for what is thought to be the first time -- that circulating estrogen increases binge alcohol consumption in females and contributes to known sex differences in this behavior.

from Top Health News -- ScienceDaily https://ift.tt/vYQTZRJ

A study of nearly 10,000 adolescents has identified distinct differences in the brain structures of those who used substances before age 15 compared to those who did not. Many of these structural brain differences appeared to exist in childhood before any substance use, suggesting they may play a role in the risk of substance use initiation later in life, in tandem with genetic, environmental, and other neurological factors.

from Top Health News -- ScienceDaily https://ift.tt/kXCWldm

Researchers have shown that people 60 years or older with weakened immunity do not respond as strongly to vaccines against the respiratory syncytial virus (RSV) as people in the same age group with normal immune function.

from Top Health News -- ScienceDaily https://ift.tt/XdypS15