|
|
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
![(A) Figure illustrating the location and appearance of a peptic ulcer in both the stomach and the du](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_09_46_8476830.jpeg)
![Cirrhosis. Cirrhosis is characterized by a chronic deterioration of the liver, replacing healthy cel](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_22_59_9681152.jpeg)