|
|
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.
Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
![The Crystal Cathedral was erected in 1980 in Garden Grove, California, by Dr. Robert H. Schuller, a ...](https://biology-forums.com/gallery/47/medium_646588_06_12_16_2_57_11_24244971.jpeg)
![The blue sticker on the rear of this vehicle indicates that it is designed to use compressed natural ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_3_34_49_29528381.png)