Steroid injections into joints are widely used to treat problems such as joint pain, osteoarthritis, sciatica and inflammatory bowel disease and a new study has found that the steroid injections could speed up a joint's disintegration and force patients to have total knee or hip replacements.
Read MoreAn interesting study was published this month which has shed light on the process of joint tissue repair and regeneration in humans which mirrors the ability of zebrafish and salamander to regrow limbs. Our current understanding is that human cartilage cannot regenerate itself, or at least, only to a very limited degree and is why repetitive joint injuries often lead to the breakdown of cartilage and eventually, osteoarthritis.
Read MoreThe problem with our currently accepted model of acute stress response is that hormones such as cortisol require hours to alter physiological responses which seems inconsistent with the need for an immediate response to danger.
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