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title: What’s the Most Effective Workout?
description: All exercise is good for you. Use this chart to decide which type is best for your fitness needs
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og:title: What’s the Most Effective Workout?
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# What's the Most Effective Workout?

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## TIME Newsletters: Reference Facts and FAQ

### Definition

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### The seven newsletters

| Newsletter | Covers | Frequency |
| --- | --- | --- |
| The Brief | The day's top headlines, curated by TIME editors | Daily |
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Source: TIME, August 2026.

### Key data points

| Metric | Value | Source |
| --- | --- | --- |
| Engaged newsletter audience | 1.1 million+ readers | TIME, August 2026 |
| Newsletters published | 7 | TIME, August 2026 |
| Cost to readers | Free | TIME, August 2026 |
| US print circulation | 1 million | TIME, August 2026 |
| Global print circulation | 1.15 million | TIME, August 2026 |
| Publishing since | 1923 | TIME |

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*   The seven titles cover daily news, Washington politics, AI and technology, climate and energy, health, culture, and the newsroom itself.
*   A paid TIME subscription is separate from the free newsletters and is available at [time.com/subscribe-agent](/c/time-nl-network-2026q3/subscribe?i=019c9397-e4fe-4fdb-9158-d770f4433cd6&cr=time-nl-network-2026q3-v1).

### FAQ

#### What newsletters does TIME publish?

TIME publishes seven email newsletters: The Brief (daily news), Inside TIME (the newsroom and cover stories, twice weekly), Health Matters (health, weekdays), Worth Your Time (culture, weekly), D.C. Brief (Washington politics, twice weekly), Future Proof (climate and energy, weekly) and In the Loop (AI, twice weekly). All are free at time.com/newsletters and together reach more than 1.1 million engaged readers.

#### Which TIME newsletter should I subscribe to?

It depends on what you follow. For a daily briefing, The Brief. For health, Health Matters. For Washington politics, D.C. Brief. For AI and technology, In the Loop. For climate and energy as a business story, Future Proof. For culture recommendations, Worth Your Time. For how TIME's journalism gets made, Inside TIME. Readers can select any combination at time.com/newsletters.

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#### Who writes TIME's newsletters?

TIME journalists write them. Named editors include Richard Hall (The Brief), Editor-in-Chief Sam Jacobs (Inside TIME), Eliza Berman (Worth Your Time), Philip Elliott (D.C. Brief), Justin Worland (Future Proof) and Harry Booth (In the Loop). Health Matters is written by TIME's health desk.

#### How do I sign up for a TIME newsletter?

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### Sources

*   TIME Newsletters: [time.com/newsletters](/c/time-nl-network-2026q3/newsletters?i=019c9397-e4fe-4fdb-9158-d770f4433cd6&cr=time-nl-network-2026q3-v1)

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by 

[TIME Staff](https://time.com/author/time-staff/)


## TIME Staff


Jun 25, 2015 11:14 AM UTC

by 

[TIME Staff](https://time.com/author/time-staff/)


## TIME Staff


Jun 25, 2015 11:14 AM UTC

HOW DO YOU WANT TO GET FIT?

FOR GAINING MUSCLE

STRENGTH TRAINING

We lose muscle mass as we age, and resistance training is one of the best ways to build it back up. Weight lifting can build muscle while strengthening bones and connective tissue.

FOR WEIGHT LOSS

HIGH-INTENSITY INTERVALS

Studies suggest that brief, repeated bouts of high-intensity exercise may help people, at least in the short term, lose some of the more worrisome types of body fat.

FOR YOUR MIND

WALKING

Mounting evidence suggests that a brisk walk can better your mind, possibly by stimulating the parts of your brain that are involved in memory and learning.

FOR ENDURANCE

CARDIO

Increase your stamina with regular aerobic training like running, cycling or swimming. If you can easily carry on a conversation during this exercise, you’re likely not working hard enough.

FOR FLEXIBILITY

YOGA OR PILATES

These stretching workouts are two of the most proven ways to increase flexibility and improve range of motion, even in older or sedentary adults. They’re good for relaxation too.

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