Minerva

Minerva

BMJ 2001; 323 doi: http://dx.doi.org/10.1136/bmj.323.7321.1138 (Published 10 November 2001) Cite this as: BMJ 2001;323:1138

For people who “arrest” in the community, successful resuscitation depends on fast action and knowledge of basic cardiopulmonary resuscitation (CPR) skills. In one Dutch study, the bystanders in a fifth of the cases called for help from other people before calling the emergency services, thus introducing delay and decreasing survival rates. The quality of resuscitation also influenced the survival rates, highlighting the importance of offering proper training in cardiopulmonary resuscitation to the general public (Resuscitation 2001;50:273-9).

The concept of “safe tanning” remains controversial. Repeated exposure to ultraviolet irradiation is known to increase tolerance for erythema, but does this lead to protection against DNA damage in the skin's epidermis? Using novel ultraviolet lights that simulate solar irradiation, 25 healthy volunteers were irradiated three times a week for three weeks. The resultant skin adaptations (increased skin pigmentation and skin thickness) provided important protection against DNA damage mediated by ultraviolet light (Journal of Investigative Dermatology 2001;117:678-82).

Most sun worshippers are aware that they should stay out of the midday sun to minimise the risk of sunburn. A complex analysis of data from the 1996 national survey on sun exposure and protective behaviours of Canadian adults confirms that those who follow …

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