WASHINGTON — No smoking. No drinking. No talking on cell phones while driving. Now, the latest no-no in state laws aimed at underage teens is indoor tanning.

Spurred by worries about skin cancer, Utah and Virginia this year joined 25 other states in placing limits on teens seeking a bronze glow from the ultraviolet lights of a tanning bed. North Dakota's Legislature is putting the final touches on a measure to also clamp restrictions on tanning salon patrons younger than 18.

Most of the laws require underage teens to get parental permission to lie under the tanning-bed heat lamps that emit intense UV light. A handful of states completely ban access to artificial UV light in salons for those younger than 13, 14 or 16. Others require teens to bring along a parent or a doctor's prescription.

Critics say the tan bans are an example of government overreaching, while advocates compare the use of tanning beds to cigarette smoking and the drinking of alcohol — unhealthy practices states already put off limits to minors.

"We have labeling on cigarettes and alcohol and nothing on tanning beds that says 'known carcinogen,"' said Dr. Arielle N.B. Kauvar, a dermatologist and chair of the American Academy of Dermatology Council on Communications.

But the restrictions have incensed the $5 billion indoor tanning industry and led to charges of government "nannyism."

"I think it is a personal right to tan, just like it is to talk on a cell phone. When are we going to stop over-regulating the lives of our youth?" said North Dakota state Sen. Nick Hacker, a Republican, who voted against imposing tanning restrictions.

The North Dakota bill, which passed the House and was approved with amendments by the Senate, would bar customers under age 14 from indoor tanning without a physician's prescription and the presence of a parent and would allow those ages 15 to 17 to tan only with signed parental consent.

State Sen. Ralph Kilzer, a Republican and physician who is one of the sponsors of North Dakota's bill, said teens are most affected by exposure to UV light. "The younger you are when you have your tanning, the more likely it is to affect you down the road," he said.

Virginia's new law, which takes effect in July, will require teens under 15 to get parental consent before going into the salon. Utah's new law requires parental consent for anyone younger than 18.

The National Conference of State Legislatures says California, Connecticut, Massachusetts, Michigan, Maryland, Nevada, Oregon, and Vermont are considering similar legislation.

In 2006, the U.S. Department of Health and Human Services declared that ultraviolet radiation from the sun and artificial sources, such as tanning beds and sun lamps, is carcinogenic.

While there are safer options, such as spray-on tans often called "mystic tans," most tanning salons only provide beds with heat lamps.

Kauvar, the dermatologist, said that bulbs from tanning salons emit 15 times the rays of natural sunlight, elevating the possibility for frequent users of developing both melanoma and non-melanoma cancer. There are an estimated million new cases of skin cancer each year.

According to the National Conference of State Legislatures, states with existing laws restricting teen tanning are: Arizona, California, Connecticut, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maine, Massachusetts, Michigan, Minnesota, Mississippi, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oregon, Rhode Island, South Carolina, Tennessee, Texas and Wisconsin.