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Other evidence of a physiological effect of cerebellar tDCS upon brain circuitry include (1) a lateralized synchronization over the sensorimotor area in the gamma band and (2) an increase of the network segregation in sensori-motor rhythms with a greater communication between left-right hemispheres in the gamma band, by anodal tDCS [207]

He had elbow tendonitis he couldnt shake, started using BPC-157, and says it was gone in two weeks (source)

Some muscle growth peptides are broadly safe

To understand the harmful effects of artificial ingredients and food additives, there was a follow-up study in 2010 published in The American Journal of Psychiatry (12)

Over the following weeks, patients often report smoother movement, improved tissue quality, and faster recovery from disc irritation, joint inflammation, or tendon strain

Can improve function and range of motion