After accepting the quest «Health Care Privacy. Part 4», the quest opens. The Therapist will ask for 400,000 thousand rubles; as a reward, you will receive 2 skill levels. It is better to give money at level 8 of Health, because there will be one more task () for upgrading this skill, but to level 10.

To enhance your Health skill, you need to take the following actions: throw grenades, travel long distances, walk with overload, receive fractures, bleeding, and damage.