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Allergies are caused when immune system confuses harmless irritants with pathogens, and antibodies are activated. Immunotherapies seem to be a possible solution when body is exposed to tiny and increasing amount of allergens, which provides resistance.

Economist Article

Collagen primarily contains non-essential amino acids gylcine and proline, whose production in body is deterioted over time. Collagen supplements are not harmful, but easier replacements are diets rich in protein, gelatin, marshmallos, jelly and sweets.

Economist Article

Probiotics are capsules of live (but frozen) bacteria that comes to life once in your gut. It makes for diverse microbial population, which is good for physical and mental health. While capsules are good, eating foods rich in fiber and starch, as well as fermented foods and drinks are better options.

Economist Article

Starvation and Rapamycin drug can increase lifespan they promote autophagy, a phenomenon in which cells clear out their accumulated crud. But for mere mortals who want a long and healthy life the advice remains the same: eat wisely, drink moderately, exercise regularly, sleep well.

Economist Article

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To maximize workout results, change your routine every six to eight weeks to prevent stagnation and avoid injury. Varying your workout can provide mental benefits such as new challenges, learning and variety, which can help prevent boredom and keep you engaged. Signs that it's time to change your workout include stagnant results, decreased performance, chronic injuries or a lack of enjoyment.

Economist Article

Economist Article

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National Geographic Article

Economist Article

Economist Article

National Geographic Article

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The Wall Street Journal Article

• Having sex once a week is good for relationship, life satisfaction and connection.
• Different couples have different sexual needs, which can change over time.
• Sharing fantasies (with some discretion) with your partner can enhance your sex life.
• Planning ahead for sex can provide great satisfaction, due to anticipation.

Economist Article

The Wall Street Journal Article

The Wall Street Journal Article

National Geographic Article

The Wall Street Journal Article

The Wall Street Journal Article

Economist Article

The Wall Street Journal Article