Colorectal cancer rates are rising in the United States among adolescents, a new study says.

The article says pediatric and teenage colorectal cancer diagnoses are climbing.

Older adults have seen declines tied to screening, while younger groups have not.

When teens develop the disease, it often shows up as a more aggressive form.

Standard adult screening protocols rarely apply to minors, the piece says.

Four warning signs listed are abdominal pain, unexplained weight loss and fatigue, rectal bleeding, and changing bowel habits.

Doctors are urged not to dismiss teen digestive complaints as routine bugs.

Public health agencies plan updated diagnostic guidance later this year.

Read the full article on rising colorectal cancer in teens and the four symptoms.