Stubborn pockets of fat may still cling on despite our best efforts at exercise and weight loss. ???Liposuction, while innovative, requires anesthesia and downtime, [and can cause] bruising or other complications, and people are moving away from it,??? says Jyotindra Shah, MD, medical weight-loss and age-management specialist at Amari Medical (www.amariclinic.com) in Scarsdale and Bedford Hills.