import { Health } from '@awesome-cordova-plugins/health/ngx';
constructor(private health: Health) { }
...
this.health.isAvailable()
.then((available:boolean) => {
  console.log(available);
  this.health.requestAuthorization([
    'distance', 'nutrition',  
    {
      read: ['steps'],       
      write: ['height', 'weight']  
    }
  ])
  .then(res => console.log(res))
  .catch(e => console.log(e));
})
.catch(e => console.log(e));