However, a body mass index (BMI) of 25 is overweight, and over 30 is obese – both being considered unhealthy – and especially when you have a sedentary lifestyle and habits that include smoking, alcohol and diet rich in sugar, fat, and processed food, then you are also cutting down the number of years you will live – genetics, disease, and medications can become other contributing factors as well.
As early humans migrated to different environments, they evolved with body shapes and sizes that helped them survive in hot and cold climates. But today, our food and lifestyle play more of a role in shaping us than the environment.
Obesity is a low-grade inflammatory disorder leading to myriad metabolic issues. Many are realising the need to get active and change their lifestyle pursuits. Many have succeeded in losing weight but plenty more out there find it impossible to go past the weight-loss plateau, however hard they try.