Yes, a person can live a healthy life with just one kidney. The remaining kidney can adapt to filter blood and remove waste effectively, compensating for the loss of the other. Many people with one kidney lead normal, active lives without any significant health issues.

Skipping meals might seem like a quick way to lose weight, but it can actually slow down your metabolism and lead to overeating later. Instead, focus on balanced meals with proper portion sizes to support healthy weight management.

Sweaty hands, or palmar hyperhidrosis, occur when the sweat glands in your hands become overactive. This can be triggered by stress, heat, or nervousness, as your body tries to cool itself down. It's a common condition and usually not a sign of a serious health issue.

Consuming protein is essential for building and repairing tissues, supporting immune function, and maintaining muscle mass. However, it's important to balance protein intake with other nutrients. Excessive protein consumption can strain the kidneys and may lead to nutrient imbalances. It's best to follow dietary guidelines and consult with a healthcare provider to determine the right amount for your needs.

Healthy eating doesn't have to be expensive. By choosing whole foods like fruits, vegetables, grains, and legumes, you can maintain a nutritious diet on a budget. Planning meals, buying in bulk, and opting for seasonal produce can also help reduce costs.

Swelling in your hands and feet when it's cold could be due to changes in blood flow or fluid retention. It's generally best to consult a healthcare professional before taking any medication, as they can help determine the cause and recommend appropriate treatment or lifestyle changes.

Cold air itself doesn't make you sick, but it can contribute to conditions that make it easier for viruses to spread. When it's cold, people tend to stay indoors more, increasing the chance of catching germs from others. Additionally, cold air can dry out the nasal passages, making it easier for viruses to enter the body.

Sitting for extended periods can strain your back muscles. To alleviate pain, try taking regular breaks to stand and stretch every 30 minutes. Adjust your chair to support your lower back, and consider using a cushion for added comfort. Practicing good posture and strengthening your core muscles through exercises like planks can also help reduce discomfort over time.