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Vaccines prevent between 2.5 and 4 million deaths every year.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Thyroid conditions may make getting pregnant impossible.
Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.
The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.
![Note the thickening of the intestinal wall and the erosion of the inner lining of the ileum, often s](https://biology-forums.com/gallery/47/medium_14755_30_09_12_4_42_22_9158776.jpeg)
![Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_29_18_9451500.jpeg)