What is making us constantly crave junk food? explain

The brain regions responsible for memory, pleasure, and reward play a role in food cravings. An imbalance of hormones, such as leptin and serotonin, could also lead to food cravings. Cravings also involve the appetite centers of the brain, even though they tend to be separate from hunger.Eating junk food causes a release of dopamine in the brain. This reward encourages susceptible individuals to eat more unhealthy foods.

Explanation:

take a break move to stretching and slowly work back into physically exercising if the problem continues go to a doctor or physical therapist