Following a structured program of exercise and healthy eating at a local clinic lowers blood pressure by about 5 mmHg systolic and 2 mmHg diastolic—even if people are already taking blood pressure pills.
Evidence Quality Assessment
Claim Status
appropriately stated
Study Design Support
Design supports claim
Appropriate Language Strength
definitive
Can make definitive causal claims
Assessment Explanation
The RCT design with adjustment for medication load and significant p-values supports definitive causal language for BP reduction.
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.
Evidence from Studies
Supporting (1)
A 3-Year Randomized Trial of Lifestyle Intervention for Cardiovascular Risk Reduction in the Primary Care Setting: The Swedish Björknäs Study
This study gave people healthy lifestyle advice and exercise help for 3 years, and their blood pressure went down by exactly the amounts claimed — without changing their blood pressure meds.