If your hair feels thinner, weaker, or more prone to shedding, your diet may be part of the picture.What doesn't help is jumping from one hair supplement to another without considering whether you're getting enough essential nutrients.

If you want to protect your heart as you age, you don't need a complicated routine or a perfect diet.What doesn't help is focusing on one "superfood" while ignoring the everyday habits that influence blood pressure, cholesterol, blood sugar, and cardiovascular fitness.

If you find yourself sharp and productive one moment, then foggy, distracted, or exhausted later, your blood sugar may be part of the picture.What doesn't help is assuming every afternoon slump means you need more coffee.

If your joints feel stiffer than they used to, you may think the answer is simply resting more. What doesn't help is avoiding movement altogether.

If you're constantly tired, it can be frustrating not knowing why. What doesn't help is assuming every kind of fatigue has the same solution.