Moreover, mammoth hair is found in copious quantities in cold environments and it is not regarded as fossil material of enormous value like bone or muscle, which also carries anatomical information.

Less common side effects include tremors (unintentional muscle movements), increased hair growth, muscle cramps, and numbness or tingling in your hands and feet (a condition known as neuropathy).

Results The detection rate of heteroplasmic polymorphism in muscle was 18%(9/50) which was close to 16%(8/50) in hair follicles. But both of them were higher than in blood 10%(5/50).