In one sentence, describe what the following article is about: While it's perfectly safe to use tretinoin and benzoyl peroxide concurrently, some dermatologists worry that it may cause some skin irritation. This is because benzoyl peroxide products typically contain a peeling agent. However, studies have shown that the two medications are safe to use together if precautions are taken to reduce the chances of irritation.  Alternate which product you apply to your skin every day for the first two weeks. For example, if you use tretinoin on Monday, wait until Tuesday to use benzoyl peroxide. Continue alternating products until two weeks have passed to minimize the risk of irritation. After that point, your doctor may advise you that it's safe to use both products at the same time. After the first two weeks, your body should be a bit more used to both medications. At this point, you may want to consider switching to using both products together at the same time each day. Talk to your dermatologist before making any changes to your prescription medication regimen and ask about any possible risks or side effects. Some studies have shown that applying tretinoin and benzoyl peroxide together at the same time each day may actually have a lower risk of adverse side effects than when they're used at different times. Tretinoin is known to cause photosensitivity, which means you'll have to protect your skin from sunlight while using this product on your skin. However, exposure to wind and cold weather may also irritate your skin on the affected area.  Wear sunscreen with a sun protection factor (SPF) of 15 or higher any time you will be in the sun. Even though you apply the medication at night, your skin may still be susceptible to sun damage during the day. Wear protective clothing to block your skin from the sun and strong wind. A wide-brimmed hat works best for protection in the sun, while a scarf might help cover your face from the wind during cold weather. Be aware that the risk of weather-related skin damage is highest during the first six months you use tretinoin. Take precautions whenever you're outside in any type of weather. Tretinoin has been known to cause skin irritation, including (but not limited to) warm/stinging sensations, redness, and scaling or crusting. Similarly, benzoyl peroxide has been known to cause dryness and peeling of the skin. You can minimize the side effects of both medications by keeping your skin well moisturized throughout the day. Only use bland facial washes and moisturizers while using these medications. Choose products that are either free of alcohol or have a very low alcohol content. Most side effects of these medications are minimal, and will eventually go away on their own with continued use. However, some reactions can be signs of a larger problem, such as a possible overdose of the medication. Seek emergency care right away if you experience burning, itching, swelling, or severe redness or scaling of the skin.
Summary: Alternate the two medications for the first two weeks. Consider switching to use at the same time each day. Protect your skin from the elements. Moisturize your skin regularly. Know when to see a doctor.

Scoop up a coin-sized dollop of VapoRub into your hand and then rub your hands together. Spread an even layer of the product onto your palms. Rubbing your hands together will warm up the VapoRub. Take notice of any soreness you have and identify the exact muscle or joint that’s painful. VapoRub’s heating sensation may relieve the pain. Rub the VapoRub deeply into your skin until you’ve covered the entire muscle or joint. As the VapoRub gets rubbed away from your clothing or evaporates, reapply the cream to the sore muscle. Spread applications over several hours and don't exceed 3-4 applications per day or you may cause skin irritation. If you notice a rash or skin irritation, stop using the VapoRub immediately.
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One-sentence summary -- Rub a layer of VapoRub into the palm of your hands. Rub your hands over the sore muscle. Repeat the application process 3-4 times a day.

Q: If your cat does not like to be petted, or held, or picked up, hissing may be his way of letting you know. Respect his boundaries, and don't handle your cat in a way he is not comfortable with. Always make sure the cat has an escape route to avoid you if she feels threatened. Many cats will hiss when they are cornered, as a sign they're not comfortable with how close you are and would you please go away. Having a quick look around you and making sure the cat has a clear line of sight way to get away of her own accord is likely to ease some of the tension. It's possible that your cat is hissing at you because he feels threatened by a neighborhood cat or dog that has challenged your cat through the window or screen door. If you believe this to be the case, try keeping the curtains and door closed as much as possible. It's possible that your cat was physically harmed or neglected by a previous owner, or even by someone who currently interacts with your cat.  Investigate how other people treat the cat.  Is there a chance that someone or something is harming or harassing your cat that you are not aware of?  Ask around, and keep a close eye on children who may not know how to treat a cat properly. If you are suspicious that someone is harming your cat while you aren't around, consider installing a nanny cam, or setting up a laptop or phone to discreetly film the cat's environment for a few days.
A: Listen to your cat. Take precautions against redirected aggression. Consider whether your cat is afraid of people.

Problem: Article: Go outside for a walk or jog, and exercise for at least 20 - 30 minutes. You can also go to a park. You can go in a loop so you’ll come back around the opposite way from where you started, or you can go to a spot in particular and turn around. Drive to a nearby park and find a trail to hike. Getting out in nature is a great way to spend your free time while exercising or exploring someplace new. A class can be a fun and interactive way to learn a new exercise. Yoga classes can relax you, and pilates will get you moving. Other classes you can try include spin classes or zumba. Sign up for softball or soccer. This will give you a way to consistently spend your free time every week. You will not only exercise but also meet new friends and  learn what it’s like to be in a team. The gym can be a space for you to spend time in the morning, or you can go after school or work. Try to do cardiovascular exercises like using the treadmill or elliptical machine as well as building muscle with weights or machines. ork out at home. Turn on an exercise DVD or watch a video online. There are a ton of videos you can choose from, like circuit training, yoga, or pilates. You can also watch videos that focus on particular parts of your body, like abdominals, chest, or arms.
Summary:
Take a walk or go jogging around your neighborhood. Go for a hike. Try an exercise class like yoga or pilates. Join a sports team. Go to the gym. .