healthy heart

![Screenshot_2018-01-01-16-20-51-1.png](https://steemitimages.com/DQmRPkcuAJ4PZXjTCQNNDrEHqgWe4Syoz96pYA4QqbjP2Hc/Screenshot_2018-01-01-16-20-51-1.png)

heart with cancer

![Screenshot_2018-01-01-16-20-51-2.png](https://steemitimages.com/DQmaZc5nEnTPmQ4nTyDuwpvBWmngxxC26d32yEZMfxYp9t7/Screenshot_2018-01-01-16-20-51-2.png)


drug heart

![Screenshot_2018-01-01-16-20-51-3.png](https://steemitimages.com/DQmUAkkMs7M5FnwUW4xX9Z4qmSydhGNf4aP6dpD6Q8h5mkE/Screenshot_2018-01-01-16-20-51-3.png)


overweight human heart

![Screenshot_2018-01-01-16-20-51-4.png](https://steemitimages.com/DQmcVtWm8UmC7HBKF8XyaBrF5cng3ietWF4GGpdh89j55gB/Screenshot_2018-01-01-16-20-51-4.png)