The term “Service” means the Public Health Service;

The term “Surgeon General” means the Surgeon General of the Public Health Service;

Unless the context otherwise requires, the term “Secretary” means the Secretary of Health and Human Services.

The term “regulations”, except when otherwise specified, means rules and regulations made by the Surgeon General with the approval of the Secretary;

The term “executive department” means any executive department, agency, or independent establishment of the United States or any corporation wholly owned by the United States;

Except as provided in sections 246(g)(4)(B),[1] 247c(c)(1), 254d(h)(3), 263c(5), 264(d), 292a(9), 300a(c), 300f(13), and 300n(1)  of this title, the term “State” includes, in addition to the several States, only the District of Columbia, Guam, the Commonwealth of Puerto Rico, the Northern Mariana Islands, the Virgin Islands, American Samoa, and the Trust Territory of the Pacific Islands.

The term “possession” includes, among other possessions, Puerto Rico and the Virgin Islands;

Repealed. Pub. L. 97–35, title IX, § 986(a), Aug. 13, 1981, 95 Stat. 603.

The term “vessel” includes every description of watercraft or other artificial contrivance used, or capable of being used, as a means of transportation on water, exclusive of aircraft and amphibious contrivances;

The term “habit-forming narcotic drug” or “narcotic” means opium and coca leaves and the several alkaloids derived therefrom, the best known of these alkaloids being morphia, heroin, and codeine, obtained from opium, and cocaine derived from the coca plant; all compounds, salts, preparations, or other derivatives obtained either from the raw material or from the various alkaloids; Indian hemp and its various derivatives, compounds, and preparations, and peyote in its various forms; isonipecaine and its derivatives, compounds, salts, and preparations; opiates (as defined in section 4731(g) 1 of title 26);

The term “addict” means any person who habitually uses any habit-forming narcotic drugs so as to endanger the public morals, health, safety, or welfare, or who is or has been so far addicted to the use of such habit-forming narcotic drugs as to have lost the power of self-control with reference to his addiction;

The term “psychiatric disorders” includes diseases of the nervous system which affect mental health;

The term “State mental health authority” means the State health authority, except that, in the case of any State in which there is a single State agency, other than the State health authority, charged with responsibility for administering the mental health program of the State, it means such other State agency;

The term “heart diseases” means diseases of the heart and circulation;

The term “dental diseases and conditions” means diseases and conditions affecting teeth and their supporting structures, and other related diseases of the mouth; and

The term “uniformed service” means the Army, Navy, Air Force, Marine Corps, Coast Guard, Public Health Service, or National Oceanic and Atmospheric Administration.

The term “drug dependent person” means a person who is using a controlled substance (as defined in section 802 of title 21) and who is in a state of psychic or physical dependence, or both, arising from the use of that substance on a continuous basis. Drug dependence is characterized by behavioral and other responses which include a strong compulsion to take the substance on a continuous basis in order to experience its psychic effects or to avoid the discomfort caused by its absence.

(July 1, 1944, ch. 373, title I, § 2, 58 Stat. 682; July 3, 1946, ch. 538, § 3, 60 Stat. 421; Feb. 28, 1948, ch. 83, § 1, 62 Stat. 38; June 16, 1948, ch. 481, § 6(a), 62 Stat. 469; June 24, 1948, ch. 621, § 6(a), 62 Stat. 601; 1953 Reorg. Plan No. 1, §§ 5, 8, eff. Apr. 11, 1953, 18 F.R. 2053, 67 Stat. 631; Pub. L. 86–70, § 31(a), June 25, 1959, 73 Stat. 148; Pub. L. 86–415, § 5(a), Apr. 8, 1960, 74 Stat. 34; Pub. L. 86–624, § 29(a), July 12, 1960, 74 Stat. 419; 1965 Reorg. Plan No. 2, eff. July 13, 1965, 30 F.R. 8819, 79 Stat. 1318; Pub. L. 91–212, § 11, Mar. 13, 1970, 84 Stat. 67; 1970 Reorg. Plan No. 4, eff. Oct. 3, 1970, 35 F.R. 15627, 84 Stat. 2090; Pub. L. 91–513, title I, § 2(b), Oct. 27, 1970, 84 Stat. 1240; Pub. L. 93–523, § 2(b), Dec. 16, 1974, 88 Stat. 1693; Pub. L. 94–317, title III, § 301(a), June 23, 1976, 90 Stat. 707; Pub. L. 94–484, title IX, § 905(a), Oct. 12, 1976, 90 Stat. 2325; Pub. L. 95–83, title I, § 107, Aug. 1, 1977, 91 Stat. 386; Pub. L. 96–79, title II, § 203(e)(2), Oct. 4, 1979, 93 Stat. 635; Pub. L. 97–35, title IX, §§ 902(d)(5), 986(a), Aug. 13, 1981, 95 Stat. 560, 603; Pub. L. 103–43, title XX, § 2008(e), June 10, 1993, 107 Stat. 212.)