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On the very first episode of the MTV reality series "Teen Mom," back in 2009, the cameras were rolling as Catelynn, one of the girls on the show, talked to her doctor about birth control. She made the decision to get a Mirena intrauterine device, known as an IUD; it's more than 99% effective in preventing pregnancy and lasts for five years.

Watch two toddlers reunite after being separated at a Chinese orphanage. CNN's Jeanne Moos has the heartwarming hugfest.

Watch two toddlers reunite after being separated at a Chinese orphanage. CNN's Jeanne Moos has the heartwarming hugfest.

Dating apps and sites offer the option to filter matches by sex, ethnicity, height or religion -- but they could be even more personal.

Dating apps and sites offer the option to filter matches by sex, ethnicity, height or religion -- but they could be even more personal.

The math is simple, but the implications of these schedules are different. The danger is in disregarding the effects that can occur as a result of fatigue and stress.

The math is simple, but the implications of these schedules are different. The danger is in disregarding the effects that can occur as a result of fatigue and stress.

Health Canada has amended its regulations to allow Canadian doctors to prescribe heroin as a treatment for those who are severely addicted to the drug. Last week's change to the Controlled Drugs and Substances Act permits doctors to apply for permission under the federal Special Access Program to offer their addicted patients diacetylmorphine: pharmaceutical-grade heroin.

Health Canada has amended its regulations to allow Canadian doctors to prescribe heroin as a treatment for those who are severely addicted to the drug. Last week's change to the Controlled Drugs and Substances Act permits doctors to apply for permission under the federal Special Access Program to offer their addicted patients diacetylmorphine: pharmaceutical-grade heroin.

Soon, headscarf-wearing Muslim women may find an emoji to represent them -- thanks to a Saudi girl.

Soon, headscarf-wearing Muslim women may find an emoji to represent them -- thanks to a Saudi girl.

It can be exasperating when your tween or teen thinks you are wrong all the time, but it is often a normal part of your child's development.

It can be exasperating when your tween or teen thinks you are wrong all the time, but it is often a normal part of your child's development.

Researchers say 45 toxic chemicals are found commonly in your house dust, with 10 of them lurking in 90% of homes across the country.

Researchers say 45 toxic chemicals are found commonly in your house dust, with 10 of them lurking in 90% of homes across the country.

Donald Trump's controversial comments during his candidacy appear to have hurt him in the business world. His new luxury hotel in Washington might be the latest casualty. CNN's Phil Mattingly reports.

Donald Trump's controversial comments during his candidacy appear to have hurt him in the business world. His new luxury hotel in Washington might be the latest casualty. CNN's Phil Mattingly reports.

Off the coast of Georgia lies a quiet island, accessible only by boat and home to about 50 year-round residents -- all descendants of slaves.

Off the coast of Georgia lies a quiet island, accessible only by boat and home to about 50 year-round residents -- all descendants of slaves.

The continent is making a splash in the fashion world.