LifeStream will conduct a community blood drive on Sunday, July 26, at Wal-Mart in Yucca Valley from 10 to 3. Donors will receive incentives. In addition, LifeStream now offers free cholesterol screening with every blood donation. Those aged 18 to 44 years may register for Be The Match bone marrow screening free of charge. To make an appointment to donate blood, call 800-TRY-GIVING.