Adults (Age ? 18 years) Adults age 18-80 years Adults 18 years of age or older Adults 18 years of age or older. Adults ?18 years of age Adults ?18 years of age Adults with AML in need of treatment Adults unable to consent Individuals who are not yet adults (infants, children, teenagers) Adults, age 60 years or older at the time of diagnosis Adults with ALL in need of treatment Adults (aged ? 18 years) Adults ? 18 years of age. Adults >/= 18 years old Adults (aged ? 18 years) Non-pregnant female adults at least 18 years of age at time of informed consent Adults >/= 18 years old Adults Adults > 18 years of age Adults >/=18 years Adults ? 18 years old Vulnerable populations (adults unable to consent, individuals who are not yet adults, wards of the state, prisoners) Vulnerable population: adults unable to consent, individuals who are not yet adults (infants, children, teenagers), pregnant women, and prisoners Patients are eligible regardless of concurrent enrollment on protocol 13-492 (Predictors of Chemotherapy Toxicity in Older Adults) Adults over the age of 65 will generally be excluded from the study; older subjects could be included at the discretion of the PI Adults unable to consent Individuals who are not yet adults (infants, children, teenagers) ADULTS ADULTS