SAT / ACT Prep Online Guides and Tips

Are you studying genetics but don’t understand the codominance vs. incomplete dominance differences? What’s the difference between incomplete dominance and codominance? Why is it important to know?

In this guide, we explain what incomplete dominance and codominance are, as well as how they’re different, using real-world examples to make these terms clear and easy to understand.

When you think about freckles, what do you think of? Fair-skinned children whose mothers slather sunblock on them? Bright, shocking red hair? Maybe even Pippi Longstocking?

As a beauty feature, freckles are commonly associated with fair-skinned people, leading to the question: “Can black people have freckles?”

The answer is yes—there are many black people with freckles, as well as people with other skin tones who have freckles, too.

In this article, I’ll break down what causes freckles and who has them. I’ll also provide images of black people with freckles to demonstrate the different skin tones that have freckles.

Do you take Singulair for asthma or allergies? Are you wondering about possible Singulair alternatives?

In this article, I’ll go through what Singulair is and how it works. I’ll also walk you through both prescription-only and over-the-counter Singulair alternatives, including the estimated cost and pros and cons of each one.

Are you trying to get rid of your allergy symptoms but Claritin doesn’t work for you? Claritin is one of the most popular allergy medications on the market, but for some people it just doesn’t work. Why is this?

It can be very frustrating when a drug doesn’t work the way you expect it to, so in this guide we go over the top five reasons your Claritin doesn’t work or you find Claritin not working anymore. We also go over which symptoms Claritin is supposed to treat (and which it doesn’t) as well as other methods to try to get allergy relief.

Have a round white pill in a baggie or pillbox and you aren’t sure what it is? Trying to figure out what the loose white round pill with a numbered imprint in the bottom of your medicine drawer is?

In this guide to identifying your white round pill, we’ll go over how to identify an unknown white round pill and include some common round white pills with different imprints to help you identify your mysterious medication!

Rhinocort is a popular allergy medication, and it’s gone through several changes recently, which may leave you with some questions.

Do you need a prescription to get Rhinocort, or is Rhinocort over the counter? Are there differences between prescription Rhinocort and Rhinocort OTC? How do you use Rhinocort? What should you know before taking it? Read on to get answers to all your Rhinocort questions.

If you have atrial fibrillation or a high risk of deep vein thrombosis (DVT), blood clots, and/or strokes, your doctor might prescribe you Xarelto. A novel oral anticoagulant (NOAC), or blood thinner, Xarelto works by keeping dangerous blood clots from forming. But how much does Xarelto cost?

Read on to learn about the Xarelto price for those who do and don’t have health insurance. In addition, we'll explain how this cost changes depending on the pharmacy you visit, show you how to find a Xarelto coupon, and compare the Xarelto cost with those of other similar drugs.

Are you taking Zorvolex? Or are you simply looking to learn more about the medication? Regardless, we’ve got answers for you. In this guide, we explain all of the most important facts to know about Zorvolex, starting with what it's used for and what its dosages are. We then go over possible side effects and drug interactions you can have with Zorvolex.

Have you recently started using a Zema-pak or been told that you’ll be prescribed it to treat a specific illness or symptom? If so, you’ve come to the right place. In this article, I’ll explain what Zema is, what it treats, how to take it, and what you need to know to safely use the drug.

Have you recently started taking Clonidine 0.1 mg pills or been told that you’ll be prescribed them to treat a specific illness or symptom? If so, you’ve come to the right place. In this article, I’ll explain what Clonidine HCL is, what it treats, how to take it, and what you need to know to safely use the drug.

What is TEVA 3109? If you have a TEVA 3109 pill and want to know more about it, this guide is for you! We’ll go over all the information you need to know about TEVA 3109 pills including what they are, what they’re used to treat, how you should take them, what the risks of taking them are, and more.

Does your knee feel like it needs to pop and you can’t get the sensation to go away? What’s causing this feeling, and what can you do about it? In this guide, we explain why your knee feels like it needs to pop, if you should see a doctor about it, the five most common causes behind your knee feeling like it needs to pop, and how to get relief from this problem.

Have you gotten a prescription or note from a doctor or nurse with a mysterious symbol that looks like "c" on it? What does a c with a line over it mean? Is this some secret doctor code?

We’re here to break it all down for you, and it’s actually simpler than you think! Read this guide to learn all about the meaning behind the c with a line over it medical abbreviation, where the abbreviation comes from, how it’s used, and other important medical abbreviations you should know.

How long does caffeine stay in your system? What is the half-life of caffeine? How does caffeine half-life differ between individuals?

In this quick guide, we'll go over how long caffeine stays in the average person's body, what factors impact how long you'll feel the effects of caffeine, and what you can do to combat the caffeine jitters. Ultimately, we'll help you answer the key question: how long does caffeine stay in your body?

Does your tongue look wavier than other people's tongues? Do you notice little indentations around the edge of it? A wavy tongue is generally a harmless medical condition. But what exactly causes it? And can you get rid of it?

In this article, we explain what a wavy tongue is, why it happens, and how you can fix it.