1 . Running and walking are both excellent forms of exercise. Those who regularly do either usually have healthier hearts, stronger bones and lower body weights than those who do little exercise. But does it matter whether you spend time walking or running? Arguments can be made for both, and which is right for you depends on your goals and your present fitness level.

“The key difference between running and walking is how many calories you are burning — not per mile, but per minute of exercise,” says Paul D. Thompson, a doctor at Hartford Hospital. “Running is a more efficient movement and it’s more demanding on the body, so it burns more calories per minute,” Thompson says. “But if you’ve got the time to walk long enough to burn the same amount of calories, then walking is fine.” That said, if your final goal is to lose weight, chances are that neither running nor walking alone is going to do the trick. Research has shown that it needs to be done along with calorie control.

In a recent study that analyzed data from nearly 50, 000 people, researchers found that runners’risk of heart disease was 4.5 percent lower than that of those who were inactive. But walkers who burned the same amount of calories daily had a risk level that was 9 percent lower than those who were inactive.

“Running gets the reputation for causing injuries because many people who are just starting to run try to do too much too quickly,” says Carol Ewing Garber, a professor at Columbia University. “And they often get injured as a result. If you want to progress from walking to running, do it slowly, gradually increasing your speed, distance and the frequency of your runs?”

Running may be more highly-intense and calorie-burning than walking, but walking is a great way to ease into exercise and make sure you are staying physically active every day. The bottom line is that getting exercise of any kind is beneficial — if you keep doing it.

“The best exercise is the one you are going to do,” Thompson says. “There are extra benefits to be gained from running, but what’s most important from a public health point of view is that everyone gets out and does some kind of exercise?”

Benefits of exercise

Liu Genghong, aka Will Liu, a singer and     1     (compose) from Taiwan has     2     (expect) become an online hit for livestreaming fitness routines from his home. One of his most-watched fitness routines     3     (set) in "Herbalist Manual" (本草纲目) from Jay Chou’s Still Fantasy album.

Liu’s workout livestream has taken the Internet     4     storm. In his livestreams, Liu and his wife appear     5     (energy), friendly, happy and super fit. They exercise and dance     6     up-beat songs while     7     (explain) and showing their moves, often encouraging those participating from     8     (they) own living rooms.

Although Liu’s dance     9     (move) look simple, they are often too intense for his audience     10    (follow).

5 . Businesses are finding more uses for virtual reality (VR) as the technology develops.

VR is no longer only for gaming or enjoyment. An American company called Blue Goji is using VR to improve one’s health by making exercise more fun.

Blue Goji has offices in Austin, the capital of Texas. The company showed its workout machine called the Infinity treadmill (跑步机) at the South by Southwest festival. A person using the treadmill wears a virtual reality headset when exercising. Before starting, the user is connected to a belt to prevent falls. Then, the user plays a VR game while running on the machine. The game can transport the user into the virtual world, where he or she can be racing against virtual people.

The cost of the hardware and the computer software program is $12,000. That means much for most people. But Kyra Constam of Blue Goji says the virtual reality treadmill is ideal for places where people go to exercise, like high-end gyms or recreation centers.

Recently, Leonardo Mattiazzi tested the Infinity treadmill. Mattiazzi said he had a strong feeling to actually get running and do something that pushed his limits. He said the experience was more interesting than running inside the gym without actually going anywhere.

Constam noted that a lot of VR experiences cause motion sickness (晕动病) because people are in motion during the game, but not moving in real life. But when the user is moving on the treadmill and in the game, the chances of motion sickness are reduced. She said there is generally a learning curve for VR. The first time users feel lost, but the more you do it, the more you get used to it.

After carefully studying the users experiences, Blue Goji plans to begin selling the Infinity treadmill to the public.

For soccer fans around the world, the FIFA World Cup is a big event that can’t     1     (miss). This year, it’s being held in Qatar. At the end of March, its     2     (office) ball was announced.

Called “AI Rihla”,     3     means “the journey” in Arabic, the ball     4     (represent) the culture of Qatar. Its design has been inspired by the county’s architecture, its flag and its iconic (标志性的) boats.

To adapt to the speeds of today’s sport, the ball is designed     5     (be) high tech. The ball has first-rank shape and air retention (气密性). On the outside, it has 20 panels (面).     6     (follow) the laws of aerodynamics (空气动力学), the panels and surface material improve the ball’s     7     (accurate) and fight stability, noted the Qatar Tribune website. On account of this design, the ball     8     (consider) the fastest and most accurate ball to date.

The design of the ball also keeps sustainability (持续性) as     9     top priority (优先) because it’s the first World Cup ball made with water-based inks and glues only.

“This is an excellent, sustainable (耐用的) and high-quality official match ball that will be enjoyed by stars     10     well as grassroots players everywhere,” Jean-Francois Pathy, FIFA’s Director of Marketing, said in a statement.

10 . Health and fitness help a person live a good and healthy life. Often due to various pressures, we tend to ignore our health.     1     It is the fitness level of our body that helps us fight these diseases.

    2     We need to be fit to have a healthy body. Similarly, if we are healthy, we shall naturally be attracted towards maintaining the fitness of our body. Health is the state of our body at a given time we may not have any disease but still have a weak body, which is ready to be targeted by viruses.     3     This does not definitely mean that we are not healthy. It means the fitness level is not in accordance with our age and the climatic conditions we live in.

It is important for everyone to devote some time to health and fitness. There are different levels of exercises for different age groups and we must do them according to our own health and age. Regular exercise stops our muscles from contracting and improves our energy levels as well.     4    

Additionally, it is important to relax our body. We should have at least six to eight hours of sleep every day. It helps in improving our immune system and protects us against diseases.     5     This in turn. gives us new goals of health and fitness.