|
|
Your heart beats over 36 million times a year.
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.
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.
You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
![Classification of life histories based on juvenile survival, fecundity, and age at reproductive matu](https://biology-forums.com/gallery/47/medium_33_22_09_11_9_27_14_1790554.jpeg)
![Effects of Estradiol and Testosterone on Interfemale Aggression in Rats (Based on data from van de P](https://biology-forums.com/gallery/47/medium_349322_17_05_15_7_35_33_217041104.jpeg)