Question

berk says your mind, hormone system and immune system are constantly communicating with one another in ways that impact everything from your mood to your ability to fend off sickness and disease. take grief: \grief induces stress hormones, which suppress your immune function, which can lead to sickness,\ he says. - \you asked: does laughing have real health benefits?\ markham heid which topic sentence best introduces the supporting evidence in this passage? laughter is the brains way of getting rid of stress caused by a weak immune system. grief can be very painful and is often hard for people to overcome, so they laugh often. the hormone system is very important and functions only if people are happy. the systems in our bodies communicate with one another, which affects health and healing.

Explanation:

The passage emphasizes the communication between the mind, hormone system, and immune system and its impact on health. The first option focuses on laughter and stress - immune system relation not the overall communication. The second option about grief and laughing often is off - topic. The third option about the hormone system functioning only if people are happy is not in line with the passage. The fourth option accurately summarizes the main idea of body systems communicating and affecting health.

Answer:

The systems in our bodies communicate with one another, which affects health and healing.