Well no-one really know's but my perception of life is all a big lesson for what will be in the afterlife.
Natural active immunity arises from an exposure to antigens, while natural passive immunity <span>arises from the passage of antibodies across the placenta or breast milk. </span>A mother breastfeeding her baby is an example of passive natural immunity.
Passive natural immunity is type of immunity in which antibodies are passed from the mother to fetus or child. In case of breastfeeding antibodies are passes through the breast milk.
The answer is : increased resistance need to be added to the muscles.
Muscle conditioning refer to muscle strength and endurance. In order to improve it, you need to put your muscle in a harsher condition in a harsher condition than it used to be, so your muscle could adjust to it. That's why you should keep increasing the resistance
maybe by composting, it could help with the environment