A healthy normal level of testosterone can be reduced if one's body suffers certain injuries, uses steroids and under natural aging process. (fitnessandpower.com)
Natural age of weaning in children is between 2 and 7 years. (attachfromscratch.com)
After years of not wearing sunscreen and just natural aging on my face from laughing, staying up too late and not drinking enough water have started to show. (styleiseverythingblog.com)