Cause and Effect (source: http://www.uefap.com/speaking/spkfram.htm)

1. Simply

Emphasising cause.

The death rate from cancer is increasing

                                        because
                                        owing to the fact that

                                                              people are smoking more.

Emphasising effect.

As
Because
Since

       people are smoking more,

                               the death rate from cancer is increasing.


People are smoking more.

                        Therefore,
                        So,
                        Thus,
                        Hence,
                        Consequently,
                        Because of this,
                        For this reason,
                        As a consequence,
                        As a result,

                                                 the death rate from cancer is increasing.

People are smoking more,

                        as a result of which
                        as a consequence of which
                        with the result that

2. With some grammatical changes.

Emphasing cause.

The fact that

             the death rate from cancer is increasing

                                                     is due to
                                                     may be due to

                                                                  people smoking more.


The
One

   reason for
   cause of

             the death rate from cancer increasing

                                                  is that
                                                  could be that

                                                               people are smoking more.


An increase in the death rate from cancer

                                         is
                                         may be

                                               one effect of
                                               one result of
                                               one consequence of
                                               caused by
                                               due to
                                               because of

                                                                 people smoking more.

                                         results from
                                         arises from

Emphasing effect.

Owing to

        people smoking more,

                            the death rate from cancer is increasing.


One
The

   effect of
   result of
   consequence of

                 people smoking more

                                    is that

                                           the death rate from cancer is increasing.

                                    is to

                                           increase the death rate from cancer.


People smoking more

                   results in
                   leads to
                   produces
                   causes
                   is the cause of
                   gives rise to
                   brings about

                                  an increase in the death rate from cancer.


People smoke more,

                  (so)
                  (thus)
                  (thereby)

                           resulting in
                           leading to
                           producing
                           causing
                           giving rise to
                           bringing about

                                         an increase in the death rate from cancer.


If

  people smoke more

                   the death rate from cancer will increase.