Dr. Carrie Besnette Hauser has spent her career helping open opportunities for college education. She also guided river trips through the Grand Canyon! All great credentials for leading Colorado Mountain College.
Unexplained, unintentional weight loss is often a result of illness and should be evaluated by a health-care professional. reference: Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed.
Being able to notice your weight loss changes largely depends on the calorie deficit you have created for yourself however you can typically expect to see one to two pounds of weight loss per week if you follow safe weight loss guidelines.