Animal testing is a hot button issue with a multitude of opinions on each side. Itâs an industry where there are entire companies dedicated to the breeding of animals used for experimental purposes. You can order whatever sort of beagle, rat, pig or mouse (to mention a few) that your laboratory wants to test on.nimal testing is a hot button issue with a multitude of opinions on each side. Itâs an industry in which there are entire companies dedicated to the breeding of animals used for experimental purposes.
Hormonal imbalance is a common cause of black inner thighs to some women. You can easily tell that the cause is hormonal imbalance if they darken during some stages when there is a lot of hormonal changes such as during your monthly cycles, lactation or pregnancy.
Here are a few commonly found causes of pain in upper part of the thigh: Hamstring Injury: One of the major causes behind upper thigh pain is hamstring injury and the resultant muscle pain is felt at the back side of the thigh. The hamstring muscle is a vital thigh muscle which starts from buttock and ends at the back of the knee.