Healthy eating for older adults Archive

The body's pH level supports a variety of crucial functions. Certain health conditions can create a pH disturbance. People can support a healthy pH by eating a balanced diet featuring fruits, vegetables, whole grains, lean meat, and fish.

With influenza virus, a new vaccine must be developed each year to adapt to the virus's changing structure.

Scientists are trying to create a vaccine that would protect people against all different strains of the influenza (flu) virus. These vaccines are being designed to target parts of the flu virus that don't change regularly and so are consistent across all strains. The perfect vaccine would also prevent symptoms (since current vaccines help prevent hospitalization and death, but not symptoms), and its effects would last for a lifetime. While such a vaccine is still many years away from reality, improved flu vaccines are expected in the meantime.

Arm tenderness is the most common side effect after vaccination. The injection stretches muscle fibers and triggers an immune response, causing discomfort. People can counter pain by moving the injected arm afterward and applying a cool compress or ice pack.

The four types of anesthesia include local anesthesia, regional anesthesia, monitored anesthesia, and general anesthesia. Before getting anesthesia, one should ask the doctor which type of anesthesia will be administered, what its risks are, and if delirium is a high risk. One should also ask how to prepare for anesthesia in the days leading up to a procedure-whether medications might need to be temporarily halted, when to stop eating or drinking before surgery, and whether to schedule measures to help reduce delirium.

Taking 2,000 International Units of supplemental vitamin D₃ daily may help slow the cellular aging process, according to a 2025 study.

Spray-on sunscreens can be as effective as lotion-based sunscreens for protecting skin from harmful ultraviolet light. People using sunscreen sprays should make sure skin appears wet and shiny where they've sprayed and rub the product in before it dries.

A hydration pack is a backpack designed for almost any kind of outdoor activity that carries large amounts of water and allows easy, hands-free access, which provides a convenient way to stay hydrated without needing to stop for frequent water refills.

While many health symptoms resolve quickly on their own, others linger and make people wonder if they need to see a doctor. Symptoms that warrant a doctor's visit include drawn-out cold symptoms such as fatigue, cough, and low-grade fever; a fever lasting more than four days; unexpected symptoms when starting a new medication or after surgery; certain digestive problems; and new or worsening mental health issues.