Medications altered by grapefruit include highly prescribed cholesterol-lowering statins, some key heart drugs, and certain anti-psychotic and pain medicines. Thatâs because grapefruit contains a chemical that interferes with an enzyme that controls how drugs are absorbed through the intestines, resulting in a potentially toxic dose of medication.
Yttrium is mostly dangerous in the working environment, due to the fact that damps and gasses can be inhaled with air. This can cause lung embolisms, especially during long-term exposure. Yttrium can also cause cancer with humans, as it enlarges the chances of lung cancer when it is inhaled.
Fact Sheet No 227. August 1999. SOLAR RADIATION AND HUMAN HEALTH. Too Much Sun is Dangerous. Sunlight, an essential prerequisite for life, may be extremely dangerous to human health. Excessive exposure to the sun is known to be associated with increased risks of various. skin cancers, cataracts and other eye diseases, as well as accelerated skin ageing.