From the Committee Jurisdiction page of the committee's website: "The Senate Appropriations Committee is the largest committee in the U.S. Senate, consisting of 30 members in the 114th Congress. Its role is defined by the U.S. Constitution, which requires "appropriations made by law" prior to the expenditure of any money from the Federal treasury." Find a list of committee members here.
From the Issues page of the committee's website: "The HELP Committee jurisdiction encompasses most of the agencies, institutes, and programs of the Department of Health and Human Services, including the Food and Drug Administration, the Centers for Disease Control and Prevention, the National Institutes of Health, the Administration on Aging, the Substance Abuse and Mental Health Services Administration, and the Agency for Healthcare Research and Quality." Find the current committee members here.
From the Jurisdiction page of the committee's website: "The Committee concerns itself with matters relating to…health programs under the Social Security Act, including Medicare, Medicaid, the Children's Health Insurance Program (CHIP), Temporary Assistance to Needy Families (TANF) and other health and human services programs financed by a specific tax or trust fund; and national social security." Find the current committee members here.
House of Representatives Committees
From the About page of the committee's website: "…the committee has responsibility for matters including telecommunications, consumer protection, food and drug safety, public health and research, environmental quality, energy policy, and interstate and foreign commerce among others." Find current committee members here.
From the website of the Subcommittee on Health: "The jurisdiction of the Subcommittee on Health shall include bills and matters referred to the Committee on Ways and Means that relate to programs providing payments (from any source) for health care, health delivery systems, or health research." Find current Ways and Means Committee members here. Find current Subcommittee on Health members here.