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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
![Landbridge connections between continental Asia and Indonesia during glacial periods extend as far a](https://biology-forums.com/gallery/47/medium_275510_22_02_15_5_56_55_20768103.jpeg)
![The frontal lobe (green) bounded by the Sylvian fissure (yellow line) and central sulcus (red line),](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_07_17_208391007.jpeg)