Junk Food - Dizziness And Shakiness What Are Health Risks Of Losing 60lbs. In 3-4 Months? (more Then Once)?

What are health risks of losing 60lbs. in 3-4 months? (more then once)? - junk food - dizziness and shakiness

Women 21 years ranges from 135 to 220 pounds. Not too heatlhy eating habits, and now hardly eat or starve myself to lose weight. Non smoking, but I used to be addicted to junk food. You have chest pain with vertigo, which can last more than five minutes at a time, these habits may be the cause or unheatlhy is an anxiety disorder?