减肥，一旦你达到50岁是很困难的。但是，通过使用数字化技术可以帮助自我监测你的饮食和运动习惯，研究表明。
各个software applications (apps) and digital devices体重管理比比皆是。以下是一些的各种工具可用，以及如何选择，将工作最适合你的那些建议。
Available technologies
•Apps.皮尤研究中心2015年再保险ported that 67 percent of Americans own a smartphone—a device that supports apps. There are now thousands of health and fitness apps available at no or low cost.
There are apps to track your food intake, calorie count, and exercise level, as well as to help you shop for groceries, cook nutritionally balanced meals, and make healthy choices at restaurants. Many of these apps sync up with wearable devices and smart scales.
•Wearable devices.You can forget about your pedometer—that’s old school. The latest trend in fitness monitoring is bands and watches—from Fitbit to Jawbone, Garmin, and Apple, among other brands.
Depending on the sophistication of the band you select, these devices can track how many steps you take a day, monitor your heart rate, record when you exercise, track your exercise intensity, and even evaluate the quality and duration of your sleep. You can also input your food and calorie intake. Some of the devices are GPS-enabled.
乐队和手表可以戴在手腕上，但也有可以连接到你的腰带，衣服或鞋子，实际上是嵌入鞋夹，以及设备，脚鞋垫和耳塞。
在2016年Consumer Electronics Show, the newest generation of wearable devices included shirts, bras, and eyeglasses. The data collected may be displayed on the device itself or sent to an app on your cell phone or your computer.
可穿戴的健康和健身设备将继续在各种形状和形式到达未来的岁月里，事实上，到2020年，可穿戴设备有望成为$ 40十亿产业，每年出货2.4亿的设备。其中一个最新的发展是，包含感应器追踪健身房的性能，测量肌肉质量身打扮和body mass index (BMI), and deliver pain relief in the form of transcutaneous electrical nerve stimulation (TENS).
•智能秤。研究表明，每天称重自己是减肥和智能规模的最佳途径之一比传统尺度的优势。这些设备测量你的体重就像一个普通的规模，但同步与智能手机应用程序或网站通过Wi-Fi或蜂窝网络来记录你的体重，为您提供图表和图形轨迹如何你在干什么。一些规模还可以测量你的体重，身体脂肪百分比，和肌肉质量。在演唱会的许多工作，可佩带设备和应用程序。
If more than one person in your family wants to be able to use the scale, check that the model you’re considering is capable of accommodating multiple people.
•在线工具。政府已经创造了一些有用的，免费的工具来跟踪体重，食品消费和锻炼。
One of these is [SuperTracker](www. supertracker.usda.gov). This offering from the U.S. Department of Agriculture helps you to develop a customized eating plan, as well as record what you eat and how much you exercise.
In addition, you can look up nutrition information for more than 8,000 foods through the “Food-A-Pedia,” monitor your weight with “My Weight Manager,” and participate in healthy eating and activity challenges through “Group Challenges.”
Another online resource is [Aim for a Healthy Weight](www.nhlbi. nih.gov/health/educational/lose_ wt/index.htm) from the National Heart, Lung, and Blood Institute. Here, you can calculate your BMI, take a quiz on portion sizes, and download meal plans.
What to look for
一个健康和健身设备，应用程序或网站仅仅是有益的，如果你使用它。起初，你可能会因为它使你看起来稳重爱你的跟踪器。它也可以是一个很大的激励。
But be warned: Once you’ve tracked your daily steps for a while, the excitement of reaching 10,000 steps per day—or trying to—could wear off. You might start to forget to charge the device, and it could end up spending more time in the drawer than on your wrist. It might not provide the benefits you hoped for.
Still, digital tools do work for some. Here are essential features to seek out when choosing a gadget to manage your food and exercise behaviors and your body weight:
•寻找一个有信誉的品牌，如重量看守，或尊重学术机构的联系，所以你知道你可以信任所提供的产品的质量。
•Look for health and wellness education and behavioral strategies. Ironically, the most popular weight loss apps downloaded from Google Play and the Apple iTunes Store are among the lowest in quality in this regard, according to recent studies.
•检查与他人，如医疗保健提供商，健康教练，讨论板和Facebook上的朋友分享您的数据的能力。与其他志同道合的人交流可以提升动力和你获得健康的技能帮助。
•Make sure the devices you buy are compatible with one another. For instance, if you buy a smart scale, be sure it will sync with your cell phone, laptop, and/ or Wi-Fi network. (Does your bathroom get a Wi-Fi signal, for example?)
•在网站上的应用程序和设备的扫描条评论销售的产品，看看其他用户喜欢他们。
•At the store, ask an employee how hard or easy a device is to set up and whether you’ll need tech support.
•询问是否可以给设备在商店运行测试。
•确保应用程序或设备后面的公司，你正在考虑保障您的私人健康信息。
How to motivate yourself
• Set up diverse challenges for yourself（拍不只是一天一万步，例如，而12000以上）和对其他用户。
• Sign up for a tracker-based fitness coaching program,such as [Change Collective](www. changecollective.com/about).
•超越只是跟踪步骤。例如，使用设备来监视以及多久你的睡眠。你可能会惊讶地发现，你经常在半夜醒来数次而不自知。
• Choose a device that you find aesthetically pleasing.Make sure you like both the look of the device and the way the data is displayed (the interface). You might even go for some bling to coordinate with professional and dressy attire: Designer Tory Burch offers Fitbit bracelets that look more like jewelry than fitness gear, and Misfit has teamed with Swarovski to produce crystal bands and pendants.
Learn more about how to stick to yourweight-loss plan和保持体重.