Environmental medicine

Published on 05/05/2015 by admin

Filed under Internal Medicine

Last modified 22/04/2025

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17 Environmental medicine

Questions

In view of the controversial reports on the use of melatonin for long distance flights, I would like to know if the editors use it?

What are Osborn waves?

Why does there appear to be a high incidence of cancer of the thyroid gland but not other areas following the Chernobyl nuclear accident in 1986?

I read that death is more likely in a drowning accident in fresh rather than sea water. Is this true?

Is it dangerous to use MP3 players?

We do travel a lot and have therefore read the studies on melatonin with great interest. We have not tried it ourselves mainly because of the conflicting data. Friends who have used it say the timing of the dose is crucial.

These are the J waves (hypothermic waves) that are seen on the electrocardiogram in hypothermia. They are rounded waves that occur immediately after the QRS complex and are pathognomonic of hypothermia.

Large doses of radioactive iodine appear to have been released; iodine is concentrated in the thyroid gland.

No. Although originally it was thought that there were differences related to the hypertonicity of sea water pulling fluid into the lungs, it is now thought that the severe hypoxaemia is related to the amount of water aspirated.

This depends on loudness and the duration of use. It is suggested that 80 decibels is the upper limit for possible damage. MP3 players can reach 105 decibels, although there is a sound limiter on European models. It is suggested that you should take a break after 1 hour of listening. Remember, hearing damage will not become evident for months or years.

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