Can yoga improve cardiovascular risk factors?

What cardiovascular risk factors does yoga actually improve?

The strongest and most consistent evidence points to yoga's ability to lower blood pressure. A 2023 meta-analysis of 64 randomized controlled trials (the largest of its kind here) found that yoga reduced systolic blood pressure by an average of 4.6 mmHg and diastolic by 3.4 mmHg [3]. To put that in perspective, a 5 mmHg drop in systolic blood pressure can reduce your risk of heart attack or stroke by about 10%. Another study in people with hypertension found that adding 15 minutes of yoga to a 30-minute aerobic exercise routine, five times a week for three months, led to significantly greater reductions in both systolic and diastolic blood pressure compared to adding stretching instead (119/69 vs 122/73 mmHg after the program) [1].

Yoga also improves your cholesterol profile, particularly by raising 'good' HDL cholesterol and lowering triglycerides. A Cochrane review (the gold standard for evidence synthesis) found that yoga increased HDL by an average of 0.08 mmol/L and lowered triglycerides by 0.27 mmol/L [9]. A separate study in people without existing heart disease found that those who practiced yoga had significantly higher HDL levels (1.65 mmol/L) compared to both resistance trainers (1.43) and sedentary controls (1.34) [8]. In people with type 2 diabetes, a 24-week yoga program lowered LDL ('bad') cholesterol from 192 to 168 mg/dL and raised HDL from 40 to 49 mg/dL [2].

Inflammation is a key driver of heart disease, and yoga appears to reduce it. In the same diabetes study, yoga lowered high-sensitivity C-reactive protein (hs-CRP, a marker of inflammation) from 9.5 to 5.1 mg/L and interleukin-6 (another inflammatory marker) from 43.5 to 32.0 pg/mL [2]. A study in women with metabolic syndrome found that 24 weeks of yoga reduced hs-CRP from 3.27 to 2.52 mg/L and lowered a composite measure of cardiovascular risk [5]. Even in people with heart failure, an 8-week yoga program improved inflammatory markers like IL-6 and CRP [6].

How much yoga do you need, and who benefits most?

The amount of yoga that produced results in these studies was surprisingly modest. Most programs involved 30–60 minute sessions, 3–6 days per week, for 8 to 24 weeks. For example, the hypertension study used just 15 minutes of yoga added to 30 minutes of aerobic exercise, five times a week [1]. The diabetes study used 40-minute sessions, five days a week for 24 weeks [2]. A study in people at high risk for heart disease used 45-minute sessions six days a week for six months and saw a 30% reduction in their QRISK3 score (a 10-year heart disease risk calculator) [4]. The key takeaway is that consistent, moderate practice over a few months can produce meaningful changes.

The benefits appear across a wide range of people. Studies included healthy adults [8], people with high blood pressure [1], type 2 diabetes [2][11], metabolic syndrome [5], heart failure [6], and those at high risk for heart disease [4][10]. Older adults also benefit: a 12-week laughter yoga program (which combines laughter exercises with yoga breathing) improved waist circumference, heart rate, and grip strength in people over 70 [12]. Even people who already exercise see added benefit from yoga [1]. However, the evidence is strongest for people who already have elevated risk factors like high blood pressure, diabetes, or high cholesterol.

It's important to note that yoga was most effective when combined with other healthy habits. Several studies paired yoga with dietary changes [4][10] or aerobic exercise [1], and these combinations produced larger improvements than yoga alone. The one study that compared yoga directly to resistance training found that yoga was better at raising HDL, but both were better than no exercise [8]. So yoga is best thought of as a valuable addition to—not a replacement for—a heart-healthy lifestyle.

What are the limitations of the evidence?

While the evidence is encouraging, it has important limitations. Many of the studies are small and short-term. The Cochrane review from 2015 noted that most studies lasted only a few months and had fewer than 100 participants, making it hard to know if the benefits last for years [9]. A more recent meta-analysis from 2023 included 64 RCTs but still found high variability between studies, meaning results weren't always consistent [3]. Some studies also had weak designs—for example, not all participants were randomly assigned, and it's impossible to 'blind' someone to whether they're doing yoga, which can introduce bias.

Not every study found positive results for every risk factor. The Cochrane review found no clear evidence that yoga lowered LDL cholesterol [9], and a meta-analysis in people with type 2 diabetes found that yoga didn't significantly improve HDL or waist-to-hip ratio [11]. Another study found that yoga didn't significantly affect blood pressure in people without preexisting heart disease [8]. This suggests that yoga's effects may be more pronounced in people who already have elevated risk factors, and that some outcomes (like LDL) may require more intensive or different types of intervention.

Finally, the type of yoga matters. The studies used a variety of styles—from gentle Hatha and restorative poses to more vigorous Vinyasa and Kundalini yoga. A standardized 'Common Yoga Protocol' used in one study included breathing exercises, postures, and meditation [7]. The laughter yoga study used a very different approach [12]. So it's not clear whether all forms of yoga are equally effective, or whether specific components (the physical postures, the breathing, the meditation) are driving the benefits. More research is needed to tease this apart.

About These Sources

This answer is built on 12 peer-reviewed studies — published from 2015 to 2024, 2 from 2024 or later, 4 in Q1 journals, collectively cited 65 times — selected as the most relevant from 15 studies that passed quality screening, drawn from 72 papers retrieved from a database of over 500 million.

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