data = realm.objects(HealthModel.self)

        dataArr = data.toArray()

        let section = BehaviorRelay(value: [
            HealthSectionModel(title: "", data: dataArr)
            ])

        let dataSource = RxCollectionViewSectionedAnimatedDataSource<HealthSectionModel>(configureCell: { _, collectionView, indexPath, item in

            let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "HealthCell", for: indexPath) as! HealthCell
            cell.label.text = item.title
            cell.imageView.image = UIImage(data: item.image!)

            return cell
        })

        section.asDriver().drive(collectionView.rx.items(dataSource: dataSource)).disposed(by: disposeBag)

        notificationToken = realm.observe { [unowned self] notification, realm in
            self.dataArr = self.data.toArray()

        }