Health Highlights: Nov. 10, 2022​

Can sex trigger an asthma attack? When it comes to the risk of having an asthma attack, vigorous sex is akin to walking up two flights of stairs, the author of a new study noted. Read more

Your smartphone is a haven for allergens. A high school student's science project found that cellphones are often loaded with cat and dog allergens, bacteria and fungi. Read more

U.S. immigrants' taxes, premiums far exceed expenditures on health care. The study puts to rest the notion that immigrants are freeloaders in the American health care system, researchers say. Read more