−18 mmHg
Regular scalp massage lowered blood pressure.
34 office workers, all women, had a 15- or 25-minute scalp massage twice a week for 10 weeks, or none.
The top blood-pressure number fell from 157.6 to 139.8 mmHg with 15-minute massage and from 150.1 to 135.4 with 25-minute massage, compared with 152.5 to 147.4 with no massage.
| Group | Women | Before | After | Fall |
|---|---|---|---|---|
| 15-min massage | 11 | 157.6 | 139.8 | 17.8 |
| 25-min massage | 11 | 150.1 | 135.4 | 14.7 |
| No massage | 12 | 152.5 | 147.4 | 5.1 |
