- Elizabethan medicine was based on humoral theory and the four elements of earth, air, fire and water. Illness was believed to be caused by an imbalance of the four humours: blood, phlegm, yellow bile, and black bile.
- Treatments included bleeding patients to restore humour balance, as blood was seen as most important. Other treatments were based on herbs. Surgery was also performed but medicine was still basic.
- Doctors ranged from elite physicians to barbers and apothecaries. Sanitation was poor, leading to spread of plague and other diseases.
- The official religion was the Church of England but Catholics faced fines or imprisonment. Puritanism advocated Calvin