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Minggu, 21 September 2014

Review Cure Your Child With Food

Cure Your Child With Food is a book about nutrition and the impact nutrition has on childrens health and growth. Its an interesting book in that its organized with each chapter meant to be read independently, which leads to a lot of repetition.

For instance, my impression of the first half of the book is that shes a one-trick pony. She seemed to have only two solutions for the patients who come to her: get rid of the diary in the diet, and ditch the gluten. Get rid of the American "white diet". Thats it.

The second half of the book, however, does demonstrate that she doesnt just prescribe one thing for all patients. For instance, one patient came to her with sleep problems and an otherwise healthy diet. Getting her onto 0.5mg of melatonin supplement an hour before bedtime meant she could sleep through the night. She explains why melatonin is a good solution and why it is not addictive. Another patient came to her from a vegetarian background with muscular development issues. Adding choline and fish oil to his diet resolved his issues. She does caution that sometime fish oil by itself isnt enough and that other forms of intervention are required. She diagnosed one case of a patient ingesting pesticide from fruit.

She presents interesting theories about why theres been a recent rise in gluten sensitivity (not the same as celiac disease): the amount of gluten in wheat that has been harvested has gone up, due to "improved breeding" and other interventions. She also explains why she recommends fish oil supplements over just adding more fish to the diet: the risk of mercury poisoning.

While the book is wordy and repetitive, I found it useful in thinking about childrens nutrition. For instance, once you take your kid off infant formula, you should think about where his Omega-3 is going to come from. In our case, it was more palliative than anything else, but its not quite a "one trick pony" book that the first half of the book presents itself to be. Recommended.

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Senin, 03 Februari 2014

6 reasons to make cycling your New Years Resolution

Yes, Im talking to you there, sitting behind the screen. Heres why you should take up cycling:
  1. Its fun. Cycling on a lightweight road bike is like flying without leaving the ground. So much so that in Pat Murphys novel, The City, Not Long After, one of the characters exclaimed this after learning to ride, and said to her friend, "Why didnt you tell me it was like flying?!" Thats how youll feel if youve not ridden a nice road bike before and try one for the first time. Mountain biking is like hiking, but at 10 miles per hour. Long mega-hikes that are only for the masochistic are now easy for you to do in 4 hours.
  2. Cycling makes you smarter. Theres strong evidence (see Brain Rules or this New York Times article) that aerobic exercises increases cognitive capability. While this goes for all aerobic exercise, aerobic exercise is cyclings forte. Note that cycling at 10mph on a bike path will not grant this benefit. You actually have to go hard enough that you feel a little bit out of breath.
  3. Cycling makes you feel better. Professor Csikszentmihaly wrote a book called Flow, the psychology of optimal experience. In it he describes happiness as being completely absorbed in a task. Cycling, where youre climbing, descending, or picking your way through traffic, demands that you completely absorb yourself in it. My friend Phil Sung says its an extremely meditative experience for him.
  4. Cycling improves your balance, since by its very nature, you have to stay on two wheels. If you regularly challenge yourself on dirt roads or by riding a mountain bike off road, you will increase your sense of balance dramatically.
  5. You can cycle until youre very very old. Aerobic activities like running have many of the same physical and mental benefits, but cycling is unique in that its a low impact activity, so it wont wear out your joints prematurely. My bike clubs full of runners and former tennis players who took up cycling because their doctors told them that they cannot pursue their former sport any more, usually due to joint damage. These folks werent casual tennis players. They were competitive, and they used to say sentences like, "Winning a match isnt a matter of life and death, its much more important than that!" I sat down with some of them over lunch and asked them if they had any regrets about having to take up cycling. One of them said, "Yes. My regret is not taking it up sooner." One of the middle aged members of the club once observed, "You know, the old guys in the bike club are different. They learn things quickly, theyre flexible, and theyre optimistic and not crotchety."
  6. Cycling is far more time efficient than almost any other sport because you can commute to work by bicycle. Tennis players cant play tennis and magically arrive at work after a tennis game. Cyclists, however, regularly get in some cycling just going to the local grocery store, or getting to work. If youre enthusiastic, you can even travel the world by bicycle and find places most non-cyclists dont know about. For instance, I recently rode a section of road today that was closed to all but cyclists and pedestrians:
    From BayArea

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Jumat, 31 Januari 2014

Try the Android operating system on your PC

Android smartphones and tablets are proving very popular, but it’s not easy to get a decent amount of hands-on time before buying. However, as we will show in this workshop, it is possible to create a ‘virtual’ Android device on an XP, Vista or Windows 7 PC, with most of the features of the real thing.

Try the Android operating system on your PC




This means that you’ll be able to try out different versions of the Android operating system for free – even the latest tablet editions. You can’t make phone calls, of course, but you can see how all the menus and buttons work, experiment with the built-in apps and even surf the web. Note that there is over 1GB of software to download for this workshop, so check for download caps and expect a long wait for the download to complete.

1. NOTE THAT THIS IS A LEVEL 3 workshop, meaning that it is very challenging and not for beginners. The first step is to download the Java 7 Standard Edition Development Kit from www.snipca.com/X4567. Scroll down to find the correct download for your PC – choose ‘Windows x86’ for 32-bit versions of Windows, or ‘Windows x64’ for 64-bit versions. To find out which you need, click Start, then right-click Computer (My Computer in XP) and choose Properties: in Vista/7 the version is listed under System Type, but in XP it is 32-bit unless you see the words ‘64-bit Edition’. When downloaded, run the program and follow the simple wizard to install the Java 7 software..

2. AT THE END OF the install wizard, click Finish and a registration web page will open – close this as registration is not necessary. Now visit www.snipca.com/X4568 to download the Android Software Development Kit (SDK). Click on the link in the Windows section that starts with ‘installer_’ to get the latest version. When downloaded, run this and click Next – it should detect the Java SDK and show words to that effect. Click Next, then Next, then Install. When it’s finished, click Finish to launch the SDK Manager..

3. AFTER A FEW MOMENTS, the SDK Manager will show the available downloads. Find the entry in the list labelled ‘Android SDK Platform-tools, revision 7’, select it and click the Accept radio button. Do the same for all the entries that start with ‘SDK Platform Android’. Click Reject for all the other items (these are not needed for the Android emulator), then click Install. This can take a long time: each download is installed immediately after it is downloaded. Note that the ‘Choose packages’ window will appear every time the SDK Manager is launched – just click Cancel to dismiss it..

4. IF AN ADB RESTART MESSAGE APPEARS, click Yes. Click Close on the Installing Archives window. Now click New, type a name in the Name box, choose Android version 1.5 in the Target dropdown box, then type ‘512’ in the SD Card Size box. Click Create AVD. When a confirmation message appears, click OK. You can create as many virtual devices as you wish, using different Android versions. For example, repeat the above but choose Android version 3.2 for a tablet device. Virtual tablet devices may run very slowly though – even on a fast PC..

5. SELECT THE DEVICE, click Start, then click Launch. The virtual phone can take several minutes to start – it displays ‘Android’ while launching – so have patience. Eventually the Android home screen will appear. All the phone’s buttons work as they would on a real Android smartphone, but they’re operated by clicking with the mouse, rather than a finger on a touchscreen. The PC’s keyboard can be used for situations where text needs to be entered, such as typing in website addresses. Clicking the Home button (with a house icon) returns you to the Android home screen, and the left-pointing arrow is the Back button. Apps are launched with a single click. To view or change settings, click the Menu button, then Settings. Close the window (click the red X at the top-right corner) to turn off the emulator..

6. THE MOUSE IS ALSO USED TO emulate touch gestures: click and hold on an empty part of the screen, drag left or right, then release the mouse button to move between the three separate Android home screens, for example. Click and hold for a couple of seconds to bring up the customisation menu, then choose Widgets or Shortcuts to add items to any home screen. You can also change wallpapers and create folders with this menu. To remove an item, click and hold it until a wastepaper basket icon appears at the bottom of the screen, then drag the widget on to this.
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