In addition to animal studies, data obtained from men with idiopathic oligoasthenospermia subjected to radiation has also shown that sperm parameters can be improved following L-carnitine treatment due to its antioxidant and antiapoptotic impacts on the testis (55)
Fatigue can manifest in various physical symptoms, including headaches, muscle aches, dizziness, and general malaise
Huang PC, Tien CJ, Sun YM, Hsieh CY, Lee CC (2008) Occurrence of phthalates in sediment and biota: relationship to aquatic factors and the biota-sediment accumulation factor
I think that's easy to forget in our automated world
While menopause is more common, thyroid disorders like hypothyroidism can mimic menopause with symptoms like fatigue and mood changes