8.6 million people in the U.S. live with a serious illness caused by smoking. Smoking makes your hair turn gray faster, a study found.

Did you know: 15 billion cigarettes are smoked worldwide every day. About 69% of smokers want to quit completely. Over 30% of cancer could be prevented by avoiding tobacco and alcohol, having a healthy diet and physical activity.

Exposure to Secondhand smoke causes nearly 50,000 deaths each year in the U.S. alone.

Did you know: Smoking costs the U.S. US$333 billion per year in health-care expenses and lost productivity to boot It's completely legal for minors to smoke cigarettes in the U.S. and parts of Europe, but they can't purchase them.

The average smoker in the U.S. spends US$1,500 to US$3,300 a year.

Did you know: Smoking causes 1 in every 5 deaths in the U.S. every year. A single cigarette contains over 4,800 chemicals, 69 of which are known to cause cancer. Every day, nearly 4000 teens in the U.S. smoke their first cigarette while 1,000 start smoking on a daily basis.

Look how yellow those walls are:

But there's probably one absolutely disgusting thing you haven't thought of... You see this? This is what happens to your home when you smoke inside:

The Most Disgusting Part Of Smoking Is Something Most People Never Think About By now you've for sure heard a million reasons why smoking is gross - the yellow teeth, the wrinkles, the smell, all that stuff.

Smoking increases your risk of getting lung diseases like pneumonia, emphysema and chronic bronchitis.

Investing 15 percent ($3.7 billion) of the $25.7 billion it would fund every state tobacco control program at CDC-recommended levels. Every year, there are approximately 46,000 deaths from heart disease in people who are current non-smokers.

In 2013, states will collect $25.7 billion from tobacco taxes and legal settlements but are spending less than 2 percent of that on tobacco control programs.

More from yesterday In 2012, 18.1% of Americans, 18 and older, were current smokers.[ A single cigarette contains over 4,800 chemicals, 69 of which are known to cause cancer. Secondhand smoke contains over 7,000 chemicals, including 70 cancer-causing chemicals.

The CDC estimates that adult male smokers lose an average of 13.2 years of life and female smokers lose 14.5 years of life because of smoking. And given the diseases that smoking can cause, it can steal your quality of life long before you die.

About 1.69 billion pounds of butts end up as toxic trash each year, making cigarettes the most littered item on Earth. For every person that dies from a smoking-related disease, there are 20 more who suffer from at least 1 serious illness associated with smoking.

Facts about smoking: About 8.6 million people in the US have at least 1 serious illness that’s caused by smoking. Smoking is the cause of 1 in 5 deaths in the US annually. And tobacco use is the leading preventable cause of death.

Smoking also increases risk for tuberculosis, certain eye diseases, and problems of the immune system, including rheumatoid arthritis.

Smoking causes cancer, heart disease, stroke, lung diseases, diabetes, and chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis.

Smoking, Vaping and Coronavirus: A Deadly Mix video https://t.co/MQvUTiXf7K

Ask your child to think about how they've been targeted, manipulated and used by tobacco companies. This realization makes many teen smokers angry and can help motivate them to quit.