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.
The YAG (Yttrium-Aluminum Garnet) laser uses laser light in a focused beam to make small openings in the posterior capsule to clear the clouded membrane. No anesthetic is required since the capsule has no nerve endings and therefore there is no pain, just like hair or finger nails can be cut without pain.