Which kids use condoms - or don't

Article Abstract:

A group of 1,800 adolescent teenagers were involved in a telephone survey regarding their sexual habits, particularly their use of condoms. Of major interest to the researchers was the way that the use of alcohol or drugs affected their use of condoms. The study also surveyed the youths' knowledge and beliefs regarding human immunodeficiency virus (HIV; the causative virus of AIDS). Eighty-two percent of those surveyed responded, of whom 61 percent claimed to have been sexually active during the past year. Of the group who were active, 31 percent consistently used condoms. Thirty-two percent using condoms inconsistently, and 37 percent never used condoms. In the group who had discussed AIDS with their physician, 46 percent used condoms, as opposed to 28 percent of those who received no medical advice. Older (19-year-olds) adolescents were more likely to use condoms (39 percent) than 16-year-olds (29 percent). Teenagers who had only one sex partner were less likely to use condoms than individuals with more partners, but individuals reporting more than 10 partners were highly unlikely to use condoms. Use of alcohol (5 drinks or more) or marijuana during the month prior to the interview was correlated with a decrease in reported condom use. The fact that the interview only included adolescents who had a private phone could indicate a bias, in that low-income individuals who are statistically at greater risk for AIDS, are unlikely to have their own phones. (Consumer Summary produced by Reliance Medical Information, Inc.)

Sexual behavior, Health aspects, Usage, Demographic aspects, Surveys, Teenagers, Condoms, Safe sex, Alcohol and youth, Juvenile drinking, Teenage sexual behavior

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Cannabinoid receptor gene cloned

Article Abstract:

Tetrahydrocannabinol (THC) is the psychologically active agent in marijuana. Recent studies have indicated that specialized receptors for THC exist on brain cells. Now researchers at the United States National Institutes of Health have announced that they have been able to clone the gene responsible for the production of the receptor. This should lead to the development of mammalian tissue culture models of the interaction between the THC molecule and the brain, which in turn could lead to the development of new pharmaceutical agents that can deliver the pain-killing, anticonvulsant and other effects of THC without the known side effects of the drug. Marijuana is used to treat glaucoma, a condition of increased fluid pressure within the eyeball, and in some cases to relieve nausea during chemotherapy. (Consumer Summary produced by Reliance Medical Information, Inc.)

Physiological aspects, Genetic aspects, Genetic markers, Marijuana, Tetrahydrocannabinol, Neural receptors

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Hickory Dickory Dock/Who's inherited mousie's clock?

Article Abstract:

A study of eight men who slept in a dark room for 14 hours a night to simulate natural winter lighting found that they slept longer and secreted melatonin longer than when sleeping under conditions that simulated summer lighting.

Measurement, Circadian rhythms, Melatonin, Sleep-wake cycle

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