To describe the natural history of a condition or disease. To describe the natural history of a condition or disease. To determine effectiveness or cost effectiveness of treatments/services and/or health care products. To measure or monitor safety and harm. To measure quality of care.
According to the NMSS, attacks or flare-ups of symptoms only qualify as exacerbations if: 1  they occur at least 30 days from an earlier flare-up. 2  symptoms last for 24 hours or longer.
How Long does this program last? 1  All the pills in this program lasts 30 days (1 pill, 3 times/day). 2  The Large Formula 1 shake in this program only lasts 15 days for weight loss, 30 days for weight maintenance.or Weight Loss: Replace two meals a day with this shake (and required amounts of Herbalife Personalized Protein Powder).