Lamb's Bread is a sativa marijuana strain known to provide energetic and uplifting effects. Lamb's Bread, sometimes called Lamb's Breath, is a popular strain for medical marijuana patients looking to relieve symptoms associated with chronic stress and depression. This plant has origins in Jamaica and it is believed to have been one of Bob Marley's favorite strains. Growers say Lamb's Bread has bright green buds that are sticky and dense.