True. For example elderly people or people on hospice can have visiting nurse aids, nurses and physical therapists come to their home.
Answer: Internal influences may mean health hormones, as hormones are a key structure in how we function. An external influence could be sleep, as humans need sleep as a way to recharge, or diets as they have an effect on both hormones and physical durability
It would lead to becoming a healthier person.
Cyanide will typically kill you in 2-6 hours