Vaginal discharge changes color for many reasons, and a yellow-brown tint usually points to one of three things: older blood mixing with normal secretions, a bacterial or yeast infection, or — less often — a condition that needs medical care. Most causes are common and treatable. The color alone rarely tells the whole story, which … Read more
Hypothyroidism is both genetic and environmental. Genes shape how your thyroid gland develops and how well it makes thyroid hormone, while environmental factors — especially iodine intake, certain medications, and some medical treatments — can trigger or worsen the condition. Neither factor acts alone. Most cases of hypothyroidism arise from a mix of inherited susceptibility … Read more
An industrial fan is loud because moving large volumes of air creates turbulence, and because the motor, blades, and housing vibrate as they work. You can make one quieter by reducing that turbulence and vibration: clean and balance the blades, isolate the fan from the floor or wall, seal and smooth the airflow path, lower … Read more
A large avocado contains about 320 to 330 calories. That figure comes from USDA data for one whole fruit weighing roughly 200 to 220 grams, and most of those calories come from fat — mostly monounsaturated fat. The same avocado delivers close to 13 grams of fiber and more potassium than a medium banana. Avocados … Read more
A normal oxygen saturation (O2Sat) is 95% to 100% when measured by pulse oximetry in a healthy person breathing room air at sea level. Values between 90% and 94% are considered low and warrant medical attention. Anything below 90% is a medical emergency. Oxygen saturation is the percentage of your hemoglobin — the protein in … Read more
You burn calories around the clock, even when you are doing nothing at all. Most adults burn roughly 300 to 500 calories during a full night’s sleep, though the exact number depends on your body size, age, and how long you sleep. The rate is lower than when you are awake and moving, but it … Read more
Olive oil is not a trigger for pancreatitis, and it is not on the list of foods doctors typically ask pancreatitis patients to avoid. The fat in olive oil is mostly monounsaturated, and fat itself does not cause pancreatitis. What matters far more is how much fat you eat in one sitting and whether your … Read more
People pray for healing in every major faith tradition, and surveys consistently show it is one of the most common forms of prayer in the United States. There is no single script you must follow. A step-by-step approach usually includes naming the specific need, asking honestly, inviting others to pray with you, and continuing to … Read more
The modern cell theory is the foundation of biology: all living things are made of one or more cells, the cell is the basic unit of structure and function in every organism, and all cells come from pre-existing cells. Modern versions add that cells carry hereditary information in DNA, and that all cells are chemically … Read more
How long a 90-year-old can live without food depends on whether they are also drinking water. With no food and no water, death usually comes within days, often around three to five. With water but no food, a 90-year-old may survive for weeks, but the body’s low reserves and age-related changes make that window shorter … Read more