Fitness requirements are not the same for individuals of all ages because a person who is younger and a person who is older both have different fitness requirements.Taking exercise for a longer period of time might not affect a youger person rather making that person more fit.On the other hand for an older person this might be dangerous for his/her health.
diverse and balanced microbiome is important to a person's health. We need that diversity and balance for a strong immune system. ... We need to preserve the human microbiome.
