In one sentence, describe what the following article is about: There are thousands of different coin styles out there ranging in size, denomination, origin, age, and rarity. Though it may seem daunting at first, picking a style of coin to search for will keep you focused and make the hunt far more enjoyable. Remember, there's no right way to collect, so pick a type of coin that speaks to you. Some ideas include: A penny from each year you've been alive. One of every coin available in the US since World War II. One of every country's lowest-valued coin from the year you were born. Old, rare, misprinted, and uncirculated coins are cool, but they are also incredibly expensive. Cheaper alternatives include generally circulated coins, which can be found by digging through pocket change and bank rolls, or special currencies released in the recent past, like the US State Quarters line. Many foreign coins sell for far less than their US counterparts. For budget collecting, look for 5 cent pieces from the Netherlands (1913-40), Canada (1922-36), and France (1898-1921) or coins from small countries like Luxembourg. When looking for collectibles, keep your eyes open for flat, non-dented coins with few scuffs and scratches. Look for coins that have retained most of their reflective properties, meaning they have not changed hands often. Even if a coin is 500 years old, collectors should expect it to be in reasonably good condition. When possible, purchase coins that have been graded for quality and authenticity by groups like the American Numismatic Association. For specialty coins, make sure they come with a certificate of authenticity from the original mint. Once you have a few coins in your collection, you can begin to swap coins with other collectors. You can either swap online on sites like Numista or you can swap with a local coin collector near you. When swapping online, most of the time you will send and receive the coins via the mail.
Summary: Find a type of coin to collect. Find a good price range for you. Look for coins with little wear. Look for coins that have been verified by outside sources. Feel free to swap.

In this recipe, you will be using a baking soda paste to remove hair product build-up from your scalp. Here is what you will need: 2 tablespoons of baking soda cup (112.50 milliliters) of warm water A small bowl or cup to hold the paste Pour the warm water into a small bowl or cup, and add in the baking soda. Gently stir the mixture until you get a thick paste. Gently massage the paste into your scalp with your finger tips. Do not apply the paste to your hair. During this time, you can wash the rest of your body. Tilt your head back and rinse the paste. Massage your head with your fingers to get all of the paste out. The paste will also run down your hair, and help remove any buildup. Once you have removed all of the baking soda paste, you can wash and condition your hair as you normally would, using shampoo and conditioner. Be sure to rinse your hair out well.
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One-sentence summary -- Gather your ingredients. Make the paste. Wet your hair and apply the paste to your scalp. Leave the paste on your head for a few minutes. Rinse the paste from your scalp. Wash and condition your hair.

Problem: Article: As you age it is important to keep up with good dental hygiene. The core part of good dental hygiene is brushing your teeth twice a day. This removes food particles and bacteria that causes tooth decay. Your tooth sensitivity may increase as you age. This can be minimized by using a soft toothbrush and desensitizing toothpaste. In addition to brushing your teeth, you need to clean between them. This can't be done effectively with a toothbrush. Instead, it is done with floss or a flossing device. If you don't floss, plaque, food, and bacteria can build up between your teeth. Be careful when you are flossing below the gum line that you don't damage your gums, especially if you take medication that causes you to bleed more easily. It is important that you get enough fluoride as you age, as it can help protect your teeth from the wear and tear that comes with use. For older people, it is especially important in protecting the delicate teeth surface below the gum line, as the gums usually recede as one ages. You can get fluoride from fluoride toothpaste, a fluoride rinse, or from fluoridated water, which is common in many cities. If you have full or partial dentures it is important for you to clean them as well. Take them out every night, be sure to clean them thoroughly, soak them, and rinse them before putting them back in your mouth. When you get your dentures you should be instructed on how to clean them properly. This usually includes soaking them over night and brushing them with denture cleaner. You should also clean the inside of your mouth after you take your dentures out. Be sure to brush your gums, tongue, and the roof of your mouth. Smoking can cause severe damage to your teeth over time. If you are a smoker you have a higher chance of getting gum disease, tooth decay, and tooth loss, in addition to other health problems. Talk to your doctor about smoking cessation programs that might be available to you. It is never too late to stop smoking. In order to keep your teeth healthy for a long time, it is important to treat them well. In addition to good dental hygiene, you should avoid biting or chewing hard food, such as ice. Chewing on hard foods can chip or break your teeth, creating damage that needs to be fixed by a dentist. If you have chipped your teeth, go to the dentist right away. If you chip the enamel off of the teeth, they become more susceptible to cavities. Your dentist can help protect any areas that are chipped and repair them. Fizzy or acidic drinks, such as soda pop or juice, can erode the enamel off of your teeth. Also, drinking alcohol can damage your teeth as well. If you are concerned about the health of your teeth, you should avoid these items whenever possible. If you really want to drink things that will damage your teeth, drink them through a straw. This will keep the beverage off of your front teeth, minimizing the damage.
Summary:
Brush your teeth twice a day. Floss your teeth every day. Make sure you get enough fluoride. Clean dentures. Avoid smoking. Be gentle on your teeth. Avoid beverages that can damage your teeth.