The plains zebra is the only species of wild equid not near or on the verge of extinction. Both the Grevy's zebra and the mountain zebra are listed as endangered, along with one other species in the family Equidae. While plains zebra populations remain plentiful, their numbers diminished greatly in the last century. This is for several reasons. Humans hunt them for sport and their skins.
Glyphosate (Roundup) Linked To Cancer of the Lymph Tissue In New Study. A new review on the relationship between pesticide exposure and the risk of blood cancers in the lymph glands (lymphomas) has confirmed the existence of a link with the world's most popular herbicide glyphosate (aka Roundup).
Esophageal cancer: A malignant tumor of the esophagus. The risk of cancer of the esophagus is increased by long-term irritation of the esophagus, such as from smoking, heavy alcohol intake, and Barrett esophagitis. Very small tumors in the esophagus usually do not cause symptoms.nfections of the esophagus can be caused by bacteria, viruses, or fungi, including: 1  Candida, a yeast infection. 2  Herpes, a viral infection.