Starting with just walking...

I "just walked" for a good four months before adding any real running - walking accounted for most of my ~40 pounds lost and is still my main "cardio." I started out with a morning walk to the corner store and back, less than a mile, but was soon walking 5-10 miles a day and climbing stairs for fun. I ran my first mile on a treadmill in July or August, and my first 5k race in October.

In addition to weight loss (almost exclusively fat loss), I found I could breathe easier, rest better, and endure more - and my heart rate and blood pressure were great. There are many people here on MFP who've had great results from just walking. Do what you can now, and a week from now you'll be able to do more, so then do more.

Yes I agree walking is a great tool for exercising and its free and you can do it at your leisure. Go for it, just bring good music along the time goes by in no time and slow down if you have too.

I agree with earlier posters, in particular if you work up a bit of sweat and your pulse increases. When you're ready, there's a great couch-to-5K group here for beginner runners; come join us!

Yep, walking is cool. I pretty much only walk for exercise. I do run occasionally if I'm trying to squeeze something in quickly. But usually I like to watch something on Netflix or Youtube (usually 45 min or so Documentaries) or listen to Pandora and just get a nice long walk in.

So, I have asthma and recently quit smoking (was for 2 years in college... I know, it was dumb...) and so running right now seems totally out of the question. I'm getting winded just walking at approximately 3.5 mph for 20 minutes (when I get winded my chest becomes constricted and breathing becomes labored). When I go to babysit, the family has a wii so I'm making an effort to play Just Dance every time I go over there too, to get some extra cardio in.

Just starting out working out for the first time seriously in months and I'm only walking and dancing as of now, is this a good idea? Is there more that I should be doing or is starting slow and gradually adding more the way to go?

The best way!
When I start walking in September, I couldn't walk 10 minutes without stopping and panting. But I stuck to it. I made it a goal just to walk a half mile slow and then increased my pace two weeks later.
I don't have a job and my income is very limited. Can't afford a gym or any equipment,but I had some tennis shoes and time.
Every two weeks I made a goal.
Now I'm 33 pounds lighter! And now walk five miles six days a week.
I'm trying to jog. But like when I start walking, making small goals. I jog 15 seconds on a lap. Then 20, 30 etc. I'm now up to a minute. I'm not in a race with no one and at my own pace.
Take it one day at a time!

Depending on the severity of your asthma, I would think that if you can manage to dance for any amount of time, you may be able to build up to running gradually if you use a program like C25K (I used the Rundouble app to keep up with mine) or Zombies, 5k training (both on Android, but I think they're available for iPhone too). As with anything else, you should definitely do it only after talking to your doctor. Good luck with it!

Walking is fine but I suggest you stop using 2 years of smoking as an excuse. When I started running I would get winded after half a block and have to stop and I never touched a cigarette in my life. In the 70s it was common for professional athletes to smoke. Getting winded isn't a reason to give up

Oh indeed. When doing week 1 day 1 (W1D1) I thought I was going to die.

Here's the programme:
http://www.coolrunning.com/engine/2/2_3/181.shtml

And a site dedicated to couch-to-5K alone:
http://www.c25k.com/

There are some in the C25K group, who have asthma. You can get tips from them. Several members have had lots of excess weight when they started the programme and numerous have fought themselves through it successfully. Like it's said over and over there, it's all about what happens up in the head really.

I'm getting winded just walking at approximately 3.5 mph for 20 minutes (when I get winded my chest becomes constricted and breathing becomes labored).

Wouldn't worry, you're just unfit. It'll come in time. Keep the walking going and it shouldn't take long until you can go further and for longer.

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I have dropped a lot of my weight just walking. I also have asthma and would suggest, if you want to get in to running eventually, start walking a little bit faster each time and try concentrating more on your breathing than anything else (obviously keep an eye on your environment). I find walking/jogging around an empty sports field is best for me as I know the ground is level and I just have to follow the fence. I find the more I concentrate on my breathing, the faster and further I can go without realizing, and it is actually a really good technique for if you have an attack.

I'm starting with walking too. Actually went to the gym for the 1st time recently, didn't wear me out like I thought but I think it's too soon at the moment because it was so painful. Walking home from work burns 220 cals for me so I'm sticking with that until it becomes easy.

22.2 pounds just walking... Do want you can maintain over the long term, you can always walk - you can't always go to the gym, go to classes, have the room to work out at home - you can walk anywhere, anytime and it needs no fancy gear.

This is real life good info. All the exercise fiends on here make you feel like you will get nowhere without those mega calories lost on their fancy machines. Don't be disheartened. Walking is truly the best exercise!

I so agree! There are some who get rather smug with replying. Tell you that this machine is better or that tape is better.
We each need to find what is best. Also if you never truly exercise before, do something that's easy to start with a build from that. Walking is a great foundation to start living better.
I'm proud to say that out of my 40lb loss that along with clean eating, walking is my exercise 99% of the time and it's doing excellent!

I have been part of a health challenge for two weeks and have been making strides towards better health in 2014. It has been encouraging to read the posts on walking because that is what I have planned for exercise to help reach my goals this year. Reading these posts remind me the value of building walking in to my life for the future.

Walking is the only exercise I do so far. Seems to be working well for me.