(HealthDay News) -- A portable generator can be a great source of power and comfort during electrical outages. But it's vital to take precautions to prevent deadly carbon monoxide poisoning.

(HealthDay News) -- One of the best parts of Thanksgiving may be enjoying the dinner leftovers.

TUESDAY, Nov. 20 (HealthDay News) -- Doctors should screen all people aged 15 to 65 for HIV, as well as younger and older people who are at increased risk for infection with the virus that causes AIDS, according to a U.S. Preventive Services Task Force draft recommendation.

TUESDAY, Nov. 20 (HealthDay News) -- Doctors sometimes fail to inform a pharmacist that a patient has been taken off a medication, and the pharmacist continues to refill the patient's prescription for the drug, a new study finds.

TUESDAY, Nov. 20 (HealthDay News) -- A new survey estimates that one in seven people in the United States regularly takes supplements that aren't vitamins or minerals -- such as fish oil, echinacea or ginseng -- but only 30 percent of them have had a doctor or nurse recommend supplements.

TUESDAY, Nov. 20 (HealthDay News) -- The ongoing meningitis outbreak tied to tainted steroid injections has reached 490 cases, and another person has died, bringing the total fatalities to 34, the U.S. Centers for Disease Control and Prevention reported Monday.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

TUESDAY, Nov. 20 (HealthDay News) -- Levels of secondhand smoke outside smoking rooms and other designated smoking areas in airports are five times higher than in smoke-free airports, a new U.S. study finds.

TUESDAY, Nov. 20 (HealthDay News) -- International health officials on Tuesday reported continued headway against HIV/AIDS -- not only with a drop in the number of new HIV infections, but also a dramatic rise in the number of people in treatment.