|
|
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
![Values, both those held by individuals and those that represent a nation or people, can undergo deep ...](https://biology-forums.com/gallery/47/medium_632960_15_11_16_11_35_21_241311715.png)
![Many fathers and infants form secure attachments. Fathers’ style of interaction differs somewhat ...](https://biology-forums.com/gallery/47/medium_667187_21_02_17_4_33_09_255882168.png)