Rabies is a disease humans may get from being bitten by an animal infected with the rabies virus. Rabies has been recognized for over 4,000 years. Yet, despite great advances in diagnosing and preventing it, today rabies is almost always deadly in humans who contract it and do not receive treatment.
An Achilles heel is a weakness in spite of overall strength, which can actually or potentially lead to downfall. While the mythological origin refers to a physical vulnerability, idiomatic references to other attributes or qualities that can lead to downfall are common. Synonyms.
One theory is that when a tendon is damaged, lots of new tiny blood vessels and nerves form to try to help heal the tendon. This is thought to cause the pain associated with achilles tendinitis, and one line of thought is that these exercises âkill offâ the blood vessels and nerves.