From daily habits to nutrition and sleep, explore informational guides on living a healthier life — backed by research and written for real people.
Ovulation is triggered by a sudden surge of luteinizing hormone (LH). This hormone is produced by the pituitary gland, a small structure at the base of the brain. The LH surge is the final biological signal that tells the ovary to release a mature egg. Without this spike, ovulation cannot occur. What Does Luteinizing Hormone … Read more
Using a nebulizer correctly means three things: setting it up properly, breathing the medication in the right way, and cleaning it after every use. A nebulizer turns liquid medicine into a fine mist you inhale directly into your lungs. It is commonly used for asthma, COPD, and other respiratory conditions. The process takes about 10 … Read more
Mood Disorder NOS was a diagnosis used when someone had significant mood symptoms that did not fit neatly into any other mood disorder category. In 2013, the official diagnostic manual replaced this vague label with two more specific diagnoses: Other Specified Bipolar and Related Disorder, and Unspecified Bipolar and Related Disorder, along with similar categories … Read more
Cytokines are the signaling proteins that immune cells use to talk to each other. They are the reason your body can mount a coordinated defense against infections, and they are also the driving force behind inflammation. When a threat is detected, immune cells release cytokines that trigger blood vessel dilation, attract other immune cells to … Read more
Yes, eggs can be frozen, but not the way you might think. You cannot toss a whole egg in its shell into the freezer and expect good results. The liquid inside expands when frozen, which can crack the shell and ruin the egg. However, with a few simple steps, you can freeze eggs for later … Read more
A soft boiled egg with a runny yolk is a quick, satisfying breakfast. But eggs are a perishable food, and how you handle them after cooking matters. In the refrigerator, peeled soft boiled eggs last up to two days. Unpeeled soft boiled eggs can last up to one week if kept in an airtight container. … Read more
Your shoulder hurts when you reach for something on a high shelf, or maybe it aches at night when you roll onto that side. You might have been told you have a rotator cuff problem, and now you want to know exactly what to do about it. The rotator cuff is a group of four … Read more
Building stronger glutes is about more than looks. Your gluteal muscles are the largest muscle group in your body, and they power everyday movements like climbing stairs, standing up from a chair, and walking. Training them properly can improve posture, reduce lower back pain, and boost athletic performance. The most effective approach combines heavy compound … Read more
Most respiratory infections are contagious. That includes the common cold, influenza, COVID-19, RSV, and many types of pneumonia. These infections spread from person to person, usually through droplets released when someone coughs, sneezes, or talks. You can also catch them by touching a contaminated surface and then touching your face. The contagious period varies by … Read more
The spleen is a small organ tucked under your rib cage on the left side of your body. It is about the size of your fist, and it is a powerhouse for your immune system. Its main jobs are to filter your blood, recycle old red blood cells, and help your body fight off certain … Read more