The Penn Lifestyle Modification and Blood Pressure Study

Inclusion Criteria: * Subjects must be willing to, and have the capacity for, giving written informed consent. * Between the ages of 18 and 70 * Blood pressure (BP) criteria: systolic blood pressure (SBP) of \> 130 but \< 160 mm Hg and diastolic blood pressure (DBP) \< 100 mmHg * All subjects must be willing to comply with all study-related procedures. Exclusion Criteria: * Female subjects who are pregnant or post partum \< 3 months * Subjects currently taking blood pressure lowering medications or dietary supplements (magnesium, potassium, calcium \> 1200 mg/day, fish oils \> 2000 mg/day, ephedra, hawthorn, forskolin) * Non-dominant arm circumference \> 50 cm * Subjects with body mass index (BMI) \>= 40.0 or \< 18.5 kg/m2 * Subjects who have practiced IY in the last 12 months or those who have practiced any form of yoga \> 2 times (2x)/month in the previous 6 months. * Subjects who have received an experimental drug, used an experimental medical device within 30 days prior to screening, or who gave a blood donation of greater than or equal to one pint within 8 weeks prior to screening. * Subjects with diabetes mellitus * Subjects with established cardiovascular disease * Subjects with known arrhythmias such as atrial flutter or fibrillation or those with cardiac pacemakers * Current users (within the previous 30 days) of any tobacco products * History of renal insufficiency based on estimated glomerular filtration rate \< 60 ml/min * Women who consume \> 10 alcoholic drinks per week and men who consume \> 15 drinks per week. * Subjects with known autonomic neuropathy (e.g: Shy-Drager, orthostatic hypotension) * Subjects with known secondary causes of hypertension (renal artery stenosis, pheochromocytoma, coarctation of aorta, hyperaldosteronemia) * Regular use of benzodiazepines, anti-psychotic drugs or corticosteroids (\> 1x per month). Stable doses (3 months) of antidepressants (selective serotonin reuptake inhibitors \[SSRIs\] or tricyclic antidepressants \[TCAs\]) will be allowed. * Known severe musculoskeletal problems such as spinal stenosis that may limit participation in yoga * Subjects who actively practice (\> 2x/month) other mind-body therapy (MBT) such as Qigong, Tai Chi, or meditation.