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An apple a day? Nutritionist explains how it really keeps the doctor away

Published on: Dec 24, 2025, 15:30:14 IST
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Why do they say an apple a day keeps the doctor away? (Adobe Stock)
Why do they say an apple a day keeps the doctor away? (Adobe Stock)
Tavishi Dogra

Tavishi Dogra is a Deputy Chief Content Producer, Health & Wellness, at Hindustan Times. She has over 9 years of experience writing about fitness, nutrition, and mental well-being, translating medical research and expert insights into practical advice readers can trust.

Career journey and experience
Tavishi began her health journalism journey in 2017, and has since reported for RSTV, Financial Express, Jagran, HT Media Labs and Zee. She joined Hindustan Times to simplify wellness subjects by cutting through jargon.

From decoding health trends and interviewing doctors to testing fitness routines herself, Tavishi always approaches content with one filter: “Will this help someone make a better decision today?”

Subject expertise
With 9+ years tracking India’s health conversations, Tavishi knows the gap between clinical advice and daily life. She knows fads from fundamentals and curates science-backed, expert-recommended solutions.

In fitness, she breaks down bodyweight training, recovery, and posture fixes for desk-bound readers. In nutrition, she translates guidelines into affordable, desi meal tweaks. In mental well-being, she focuses on stigma-free, actionable tools — all backed by research, expert input, and lived context.

Education and professional background
Tavishi holds a Master’s degree in Journalism and Mass Communication and began her career reporting on public affairs for broadcast. Those early years in policy and TV shaped how she writes today: fast, factual, and human-first.

Editorial Philosophy
I write with one single goal: To simplify health in a world full of noise by finding what’s actually doable, safe, and evidence-based for my readers. I test claims against research and user experiences. When all else fails, I speak to the expert who sees 50 patients a day, not the one with the most followers.

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Apples are known for promoting good health, especially red ones, which are rich in nutrients. Learn about the health benefits of apples!

“An apple a day keeps the doctor away.” This saying is popular. Many of us heard it from our parents, teachers, and friends growing up. But have you thought about whether it is true or just a fun saying? Look more closely at the health benefits of apples and how they might help keep the doctor away.

A study from the University of Reading and the Fondazione Edmund Mach Institute in Italy found that apples are high in polyphenols and dietary fibre. These substances help lower LDL cholesterol, which is the “bad” cholesterol that can build up in arteries. "This buildup can lead to serious heart problems, such as heart attacks and strokes", Dr Ushakiran Sisodia, a dietitian at Nanavati Max Super Speciality Hospital in Mumbai, tells Health Shots. The Nurses’ Health Study, which began in 1976, found that eating an apple daily may reduce the risk of lung cancer and heart disease. The data show that apples are an excellent choice for maintaining health.

What is the nutritional content of an apple?

Apples are known for their rich nutrient content. When we eat this tasty fruit, we are not just enjoying a snack; we are providing our bodies with important vitamins and minerals.

Dr Sisodia shares that a medium apple has about:

  • 95 calories
  • 25 grams of carbohydrates
  • 19 grams of natural sugars
  • 4 grams of dietary fibre
  • 14% of the daily value of Vitamin C
  • 6% of potassium and other essential nutrients

Antioxidants such as quercetin, catechin, and chlorogenic acid help protect the body by neutralising free radicals. "These compounds reduce inflammation and support our health and well-being, helping with chronic conditions", says Dr Ushakiran.

Is apple good for digestive problems?

Apples are great for digestion, as they contain both soluble and insoluble fibre, which help keep our digestive system working well. The dietitian says, "The fibre in apples can help prevent constipation and other digestive problems." Whether you add them to a salad or eat them alone, apples support your gut health.

Do apples help reduce cholesterol?

Heart disease is a leading cause of death around the world. Adding apples to your diet can be an easy and effective way to help prevent it. "Apples can help keep cholesterol levels in check, making them valuable for heart health", shares the expert. The red varieties are particularly effective at lowering cholesterol.

Should I eat apples to lose weight?

If you want to maintain or lose weight, apples are a great choice. "They are high in fibre, which can help you feel full longer and reduce cravings for unhealthy snacks", says the expert. Their sweetness is a good substitute for sugary treats.

Does apple strengthen bones?

When we think about strong bones, we often think of dairy products, but apples also play an important role. Apples contain compounds like boron that may help strengthen bones. Additionally, if you're concerned about diabetes, research published in the British Medical Journal suggests that eating apples may lower the risk of type 2 diabetes. This benefit likely comes from the fibre and antioxidants in apples. "So, eating an apple daily could be an easy way to help prevent the growing problem of diabetes, which affects many people today", says the doctor.

Do apples increase collagen?

The benefits of apples go beyond just keeping you healthy, as they are high in vitamin C, which helps your body make collagen. "Collagen is important for keeping your skin firm and healthy. Eating an apple might help your skin stay youthful," says the expert. As pollution rises and more people experience respiratory problems, eating apples may help improve lung function and potentially lower the risk of respiratory diseases.

Do apples help keep you hydrated?

Apples help keep us hydrated because they contain a lot of water. This benefit is often overlooked, but it is important for our health. "Apples are versatile and can be used in salads, desserts, or eaten raw", says the doctor. They are an easy part of any diet, allowing us to enjoy their benefits in many ways.

How many apples should you eat?

You might be asking, “Can you have too much of a good thing?” There isn't a strict daily limit on how many apples you can eat, but it's best to enjoy them in moderation. "Eating one or two apples a day can be very beneficial for most people", says the expert. They give you a natural energy boost, help with digestion, and don’t cause the energy crash that processed snacks often do. Some people, especially those with sensitive stomachs, should avoid eating apples on an empty stomach. "Apples can cause discomfort for these individuals", says the expert. It’s important to pay attention to your body’s signals.

(Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek your doctor's advice with any questions about a medical condition.)

  • Tavishi Dogra
    ABOUT THE AUTHOR
    Tavishi Dogra

    Tavishi Dogra is a Deputy Chief Content Producer, Health & Wellness, at Hindustan Times. She has over 9 years of experience writing about fitness, nutrition, and mental well-being, translating medical research and expert insights into practical advice readers can trust. Career journey and experience Tavishi began her health journalism journey in 2017, and has since reported for RSTV, Financial Express, Jagran, HT Media Labs and Zee. She joined Hindustan Times to simplify wellness subjects by cutting through jargon. From decoding health trends and interviewing doctors to testing fitness routines herself, Tavishi always approaches content with one filter: “Will this help someone make a better decision today?” Subject expertise With 9+ years tracking India’s health conversations, Tavishi knows the gap between clinical advice and daily life. She knows fads from fundamentals and curates science-backed, expert-recommended solutions. In fitness, she breaks down bodyweight training, recovery, and posture fixes for desk-bound readers. In nutrition, she translates guidelines into affordable, desi meal tweaks. In mental well-being, she focuses on stigma-free, actionable tools — all backed by research, expert input, and lived context. Education and professional background Tavishi holds a Master’s degree in Journalism and Mass Communication and began her career reporting on public affairs for broadcast. Those early years in policy and TV shaped how she writes today: fast, factual, and human-first. Editorial Philosophy I write with one single goal: To simplify health in a world full of noise by finding what’s actually doable, safe, and evidence-based for my readers. I test claims against research and user experiences. When all else fails, I speak to the expert who sees 50 patients a day, not the one with the most followers.Read More

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