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BackИзбыточный вес в подростковом возрасте связан с ускоренным биологическим старением
Избыточный вес в подростковом возрасте связан с ускоренным биологическим старением
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Лента.ру5 hours agoHealth1 min readRussiaView translation

Избыточный вес в подростковом возрасте связан с ускоренным биологическим старением

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Ученые Университета Ювяскюля выяснили, что высокий индекс массы тела в подростковом возрасте коррелирует с ускоренным биологическим старением спустя десятилетия, что повышает риск хронических заболеваний.

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Исследование основано на данных финского лонгитюдного проекта, охватывающего период около 40 лет. Биологический возраст участников оценивался с помощью эпигенетических часов.

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Избыточный вес в подростковом возрасте может быть связан с ускоренным биологическим старением спустя десятилетия. К такому выводу пришли ученые Университета Ювяскюля в Финляндии. Исследование опубликовано в International Journal of Obesity (IJO).

Ученые использовали данные участников многолетнего финского исследования, за которыми наблюдали около 40 лет. Индекс массы тела (ИМТ) измеряли в возрасте от 9 до 18 лет, а позднее оценивали биологический возраст с помощью эпигенетических часов на основе изменений ДНК.

Оказалось, что более высокий ИМТ в подростковом возрасте был связан с более быстрым биологическим старением во взрослой жизни. Особенно выраженной связь была у людей, которые одновременно имели высокий ИМТ и генетическую предрасположенность к нему.

Дополнительный анализ с использованием менделевской рандомизации указал на возможную причинную связь между высоким ИМТ в юности и ускоренным старением. При этом часть эффекта может объясняться сохранением лишнего веса во взрослом возрасте.

По мнению авторов, результаты подчеркивают важность профилактики избыточного веса уже в детстве и подростковом возрасте. Ускоренное биологическое старение, в свою очередь, связано с повышенным риском хронических заболеваний и преждевременной смерти.

Open Questions

  • Какие конкретные механизмы ДНК-метилирования связывают ИМТ и старение?

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