"It's proven that by standing more often your body burns more calories," Mason added.
The peer-reviewed European Journal of Preventive Cardiology reported in January 2018 that "by substituting sitting with standing for six hours/day, a 65 kg [143 lbs.]
"Assuming no increase in energy intake, this difference in energy used would be translated into the energy content of about 2.5 kg [around 5.5 lbs] of body fat mass in 1 year," the report noted.
Mason advised eating more protein while cutting sugar. Nuts, lean meat, eggs, beans, lentils, fish, and dairy are examples.
"By allocating 30% of your daily calories to foods high in protein you should find your cravings reduced and metabolism increased," he said.
Mason said individuals who "eat better quality protein tend to have less belly fat and don't put on weight as fast as those that don't have a high protein diet."
"Stress releases cortisol [an essential hormone that regulates your body's response to stress, the 'fight or flight' response], which is stored in the abdominal area."
The personal trainer suggested doing out three times a week, walking, dancing, or deep breathing to reduce tension. She advised sleeping seven to eight hours every night to lower cortisol.