According to pediatric endocrinologist Dr. Robert H. Lustig, M.D., which of the following is true? (Mark all that apply.) Select one or more: a. People who live in poverty disproportionally experience overweight an obesity due to a variety of factors like lack of access to healthful foods b. Childhood obesity is on the rise in the United States, the United Kingdom, Australia, Canada, Japan, Korea, India, Thailand, the Philippines, and every other developing country c. More visceral fat is worse for the body d. The prevalence of obesity in children is going up even faster than in adults